about 50,000 years ago: Hand axes from the older Palaeolithic period in Muffendorf
around 30,000 years BC: blades and chisels from the later Paleolithic period at the Marienforst estate
around 11,000 BC: Burial of a man and a woman from the later Palaeolithic period and a dog in Oberkassel
around 4080 BC: Germany's oldest documented settlement on the Venusberg
51 BC: Completion of the conquest of Gaul by Caesar. The Rhineland west of the river becomes part of the Imperium Romanum.
39/38 BC : The Roman governor Agrippa settles Germanic Ubians in Bonn.
12-9 BC: Germanic campaigns by the Roman general Drusus, who establishes over 50 forts on the Rhine.
12 BC: Roman military invades Bonn.
Around 11 BC: First written mention of Bonn by the Roman writer Florus, occasion for the 2000th anniversary of the city of Bonn in 1989
around 5 B.C.: Cas later Cologne replaces Bonn as the oppidum Ubiorum as the capital of the Ubians.
around 17 AD: construction of a Roman military camp for two auxiliary troops in Bonn's old town
from 20 AD: construction of a Roman military building complex near the Collegium Albertinum
around 43: construction of the older Roman legionary camp for legio I Germanica and two auxiliary troops in the north of Bonn
69/70: Germanic Batavians destroy the legionary camp, the castra Bonnensia, first mentioned by the Roman historian Tacitus.
70-79: New construction of the legionary camp in Stein
83: Legio I Minervia moves into Bonn for over two centuries.
around 100: Bonn's population numbers around 17,000. The heyday of Roman Bonn in the 2nd century
around 180: Bishop Irenaeus of Lyon attests to Christian churches in the Rhenish provinces.
193/194: Roman consecration stone testifies to a spring sanctuary in Bad Godesberg.
3rd century: Construction of a Roman watchtower on the Godesberg
274: Franks destroy all settlements and buildings in Bonn outside the legionary camp.
295: Legio I Minervia in Bonn mentioned for the last time
1st half of the 4th century: Construction of a cella memoriae for the Christian martyrs Cassius and Florentius under today's cathedral
322: According to legend, St. Helena builds a church over the tomb of Cassius and Florentius.
355: Devastating Franconian invasion of Bonn
After 360: Reconstruction of the destroyed legionary camp
End of the 4th century: first recorded church building in Bonn under today's cathedral
Middle of the 5th century: The Roman province of Germania secunda and its capital Cologne are transferred to minor Frankish kings. With the end of Roman rule on the Rhine, Bonn also becomes part of Francia Rinensis.
508: The Frankish king Clovis incorporates the Rhineland into his Merovingian empire.
691/92: First mention of the later Bonn Minster as basilica sanctorum Cassii et Florentii
753: The first Carolingian king Pippin in Bonn
Before 787: Construction of the Carolingian collegiate church of St. Cassius and Florentius and the first collegiate buildings
795: First mention of the perhaps already late Roman Diet Church
795: First mention of the parish church of St. Remigius

804: First mention of the settlement villa Basilica near the minster, the core of the medieval and present-day town

804: First mention of the parish church of St. Martin

881: Normans destroy Bonn.

886: Kottenforst mentioned for the first time

892: Norman invasion of Bonn

921: Peace treaty of Bonn between King Charles the Simple and King Henry I

925: Final annexation of the Rhineland to the nascent German Empire, occasion for the Rhenish millennium celebrations in Bonn in 1925

942: Imperial synod with 22 bishops in Bonn
King Otto I the Great issues a charter in Vilich.

975: Emperor Otto II issues a document in Bonn.

978: Foundation of Vilich Abbey, first abbess is St. Adelheid.

Around 1000: Bonn's center of settlement shifts from the former Roman camp to the settlement around the Cassius monastery, to which the name Bonn is transferred.

1015: First mention of the Dietkirchen monastery

Around 1050: Construction of the collegiate church of St. Cassius by Archbishop Hermann II.

1054: Emperor Henry III holds a court session in Bonn.

1063: King Henry IV issues a charter in Bonn.

Around 1080: Adalbert von Saffenberg lays the foundation stone for the later Löwenburg dominion, which includes the villages from Beuel to Ober- and Niederdollendorf on the right bank of the Rhine.

1096: Murder of Jewish citizens of Bonn at the beginning of the 1st Crusade

1106: King Henry V celebrates Easter in Bonn Minster.

1114: Emperor Henry V sacks Bonn.

around 1140/50: Provost Gerhard von Are extends the collegiate church of St. Cassius and builds the collegiate buildings around the cloister.

1143: Cathars are burned at the stake near Bonn.

1147: Knight Heinrich von Bonn falls during the conquest of Lisbon during the 2nd Crusade.

1151: Dedication of the double chapel of Schwarzrheindorf

1166: The bones of St. Cassius, Florentius and Malusius are laid to rest

1198: King Philip of Swabia sacks Bonn.

1208 and 1212: King Otto IV celebrates Christmas in Bonn.

after 1208: Transfer of the relics of St. Adelheid from Cologne to Vilich

1210: Archbishop Dietrich von Hengebach begins construction of Godesburg Castle.

1211: First mention of the oppidum Bonnense, the "town of Bonn"

around 1220: Henry III of Sayn founds a house of the Teutonic Knights in Ramersdorf.

1228: First mention of the Marienforst monastery in Bad Godesberg

1244: Archbishop Rainald von Dassel's privilege to build walls for the citizens of Bonn

1256: Bonn becomes a member of the Rhenish League of Cities.

1261: Deutschordens-Haus Muffendorf first attested

1274: Archbishop Engelbert II von Falkenburg appoints Minorites to Bonn

1283: Archbishop Siegfried von Westerburg establishes Rhine customs in Bonn.

1286: Siegfried von Westerburg introduces the council constitution in the city of Bonn.

1288: Persecution of the Jews in Bonn claims over 100 victims.

1292: King Adolf stays in Bonn for a month.

1314: Archbishop Henry II of Virneburg crowns Frederick the Fair as king in Bonn Minster.

1338: King Edward III of England stays in Bonn and attends Emperor Louis the Bavarian's court meeting in Koblenz.

1341: Archbishop Walram von Jülich buys the moated castle of Poppelsdorf.

1346: Walram of Jülich crowns Charles IV king in Bonn Minster.

1349: The first wave of plague reaches Bonn and leads to the "Battle of the Jews".

1385: In the Electoral Rhine Mint Treaty, Bonn becomes the sole mint of Electoral Cologne.

1451: Plague epidemic in Bonn

1484: The dominion of Löwenburg passes to the Duchy of Berg.

1520: Charles V and Albrecht Dürer visit Bonn

1525: The Electoral Council and its chancellery are moved to Bonn

1542: Elector Hermann von Wied appoints the reformer Martin Bucer to Bonn.

1543 : The reformer Philipp Melanchthon comes to Bonn.

1547 : Hermann von Wied abdicates. First attempt at reformation in Electoral Cologne fails

1583: Archbishop Gebhard Truchsess von Waldburg marries Agnes von Mansfeld. Start of the Truchsess War

1583: Godesburg blown up by Bavarian troops. Poppelsdorf moated castle destroyed

1583 : Election of Ernst of Bavaria as the new Archbishop of Cologne. Beginning of the 180-year reign of the Catholic Wittelsbachs in the north-west of the empire.

1587: Mercenary leader Martin Schenck von Nideggen captures the city of Bonn.

1588 : Siege and bombardment of Bonn: second attempt at reformation by the Electorate of Cologne fails

1589: First documented burning of witches in Godesberg

1597: Bonn officially elevated to the status of capital and residence of Electoral Cologne

1623 : Oldest dated gravestone in the Jewish cemetery in Schwarzrheindorf used by the Bonn synagogue community

1627: Elector Ferdinand lays the foundation stone for a new pilgrimage church on the Kreuzberg

1633: During the Thirty Years' War, Swedish troops invade Mehlem

1639: Jesuits found grammar school, forerunner of the Beethoven grammar school.

1639: Around 50 witches and sorcerers executed in Bonn

around 1650: Bonn developed into a modern fortress

1666: Last wave of plague reaches Bonn.

1673: First bombardment and capture of the Electorate of Cologne's main fortress of Bonn by Imperial Saxon troops

1685: First Protestant church in the Bonn area consecrated in Oberkassel

1688: Carmelite convent founded at the Adelheidisbrunnen fountain in Beuel-Pützchen

1689: Second bombardment and complete destruction of the city of Bonn

1697 : Elector Joseph Clemens lays the foundation stone for the Bonn Residential Palace.

1697: "Flying Bridge" (Gierponte) established over the Rhine (used until 1898).

1699: Elector Joseph Clemens consecrates St. Michael's Chapel in Bad Godesberg.

1703: Third siege and occupation of the city of Bonn.

1715: Elector Joseph Clemens establishes a Jewish ghetto, the "Judengaß".

1715: Elector Joseph Clemens consecrates the Old Cemetery.

1715 : The razing of the baroque bastions ends Bonn's century as a fortress city.

1717: Jesuit Church of the Name of Jesus consecrated

1729 : Montesquieu visits Bonn.

1730: King Frederick William of Prussia and his son Frederick visit the Bonn residence.

1732/33 : Pützchens Markt attested for the first time

1737/38: Construction of the baroque Bonn Town Hall

1746 : Clemensruh Palace in Poppelsdorf largely completed

1751: Elector Clemens August inaugurates the Holy Staircase on the Kreuzberg.

1751-1753: Stadtdechant Radermacher builds his baroque palace on Münsterplatz, later called Fürstenbergisches Palais, main post office since 1876

1751-1755 : Elector Clemens August adds the Koblenz Gate to the residential palace.

1764: Construction of the Lippe Palace in Oberkassel

1770: Ludwig van Beethoven is baptized in St. Remigius on 17 December

1777: Fire and destruction of the Bonn Residential Palace

1777: Elector Max Friedrich von Königsegg-Rothenfels founds the Maxische Akademie

1785: Construction of the Mehlem House on the banks of the Rhine in Beuel

1786: Elector Max Franz elevates the Maxische Akademie to university status

1787: Foundation of the Enlightenment reading society

1787: Max Franz closes all parish churchyards in Bonn and designates the Old Cemetery as the city's sole burial ground.

1789: Peter Joseph Lenné, garden architect, born in Bonn

1790: Elector Max Franz acquires Draitschbrunnen and develops Bad Godesberg into a spa.

1790: 10,135 people live in 1121 houses in the city of Bonn.

1792: Elector Max Franz sends Ludwig van Beethoven to Vienna to meet Joseph Haydn.

1794: French revolutionary troops occupy Bonn.

1797: Supporters of the Cisrhenan Republic erect the Tree of Liberty on Bonn's market square.

1800: Bonn becomes the seat of a French sub-prefecture in the Rhine-Moselle département.

1801: The Bonn area on the left bank of the Rhine becomes part of French territory.

1803: The Imperial Deputation ends the Holy Roman Empire of the German Nation and dissolves the Electorate of Cologne.

1804: The French Emperor Napoleon visits Bonn with Empress Joséphine.

1806: The Minorite Church in Brüdergasse becomes the parish church in place of the Church of St. Remigius on Römerplatz, which was destroyed by lightning

1806: Leopold Bleibtreu builds the first alum hut on the Beueler Hardt.

1809: Beuel wage bleachers and launderers are documented for the first time

1811: Napoleon in Bonn, Beuel and on the Finkenberg in Limperich

1812: St. Martin's parish church demolished

1812: Moses Hess, one of the spiritual founders of Zionism, is born in Bonn

1815: Prussian King Frederick William III takes possession of the Rhineland. The Bonn region under one rule for the first time

1816: Foundation of the Oberbergamt Bonn

1816: Foundation of the Protestant parish of Bonn

1816: First steamboat sails the Rhine.

1818: King Friedrich Wilhelm III founds the University of Bonn, named after him.

1819: Foundation of the Academic Art Museum

1820: Foundation of the Museum Vaterländischer Alterthümer; later the Rheinisches Provinzial- and today's LVR-Landesmuseum Bonn

1824: Washerwomen from Beuel found the Old Beuel Ladies' Committee.

1824: Construction of the "Anatomical Theater", since 1884 Academic Art Museum

1828: First Rose Monday parade in Bonn

1828: Ludwig Wessel founds an earthenware factory in Poppelsdorf.

1836: The Siebengebirge becomes a nature reserve

1844: The Borromäusverein is founded in Bonn

1844: Opening of the Cologne-Bonn railroad line

1845: Inauguration of the Beethoven monument on Münsterplatz

1846/47: The late Romanesque chapel of the Deutschordenskommende Ramersdorf is moved to the Old Cemetery

1847: Foundation of the Poppelsdorf Agricultural College

1848: Gottfried Kinkel's call for tax refusal leads to revolutionary unrest in Bonn.

1849: St. John's Hospital inaugurated

1850: Foundation of the Bonn district court

1852: The later royal hussars, the "Lehm ops", are quartered in Bonn

1856: Robert Schumann dies in the Richarz mental hospital in Endenich.

1856: Dr. Hermann Bleibtreu founds Portland cement factory in Oberkassel.

1863: Foundation of the "Bonn Citizens' Association"

1863: Ernst Moritz Arndt monument inaugurated on the Alter Zoll

1867: Cholera claims 25 lives in Bonn.

1870: Bonn-Oberkassel railroad project goes into operation

1871: Bonn Beethoven Festival on the occasion of Beethoven's 100th birthday in the old Beethovenhalle, which was destroyed in the Second World War

1871: Kreuzkirche on Kaiserplatz inaugurated as the first Protestant church building in Old Bonn

1872: Bonn synagogue congregation dedicates Jewish cemetery on Römerstraße.

1873: First Schumann festival in Bonn to finance his grave monument in the Old Cemetery

1875: King Wilhelm I refuses to confirm Mayor of Bonn Leopold Kaufmann.

1876: Foundation of the Rheinisches Provinzialmuseum, now the LVR-Landesmuseum Bonn

1876: Friedrich Soennecken moves his factory from Remscheid to Bonn.

1879: New synagogue on the banks of the Rhine inaugurated

1880: Schumann monument in the old cemetery inaugurated

1881: Noeggerath monument inaugurated in the Old Cemetery

1882: Rhenish provincial insane asylum, sanatorium and nursing home inaugurated

1883: Ermekeil barracks completed

1884: First telephone network opened in Bonn

1884: Inauguration of the "Städtisches Museum Villa Obernier" as the forerunner of the Kunstmuseum Bonn

1885: Inauguration of Bonn's main railway station

1886: Foundation of the "Bonnensia" association, today's "Bonn Heritage and History Association"

1886: Collegiate church consecrated

1887: The city of Bonn becomes an independent district.

1889: Foundation of the "Beethoven House Association" to save Beethoven's birthplace in Bonngasse

1890: Construction begins on the Rheinisches Provinzialmuseum, today's LVR-Landesmuseum Bonn

1893: Bonn-Bad Godesberg-Mehlem steam tramway opens

1896: Clara Schumann buried alongside her husband Robert in the Old Cemetery

1898: "Fiery Elijah" foothills railroad to Cologne opens

1898: First Rhine bridge in Bonn inaugurated

1899: Rüngsdorf and Plittersdorf incorporated into Godesberg

1899: City Archive and Bonn City History Library founded

1901: The family of 14-year-old August Macke takes up residence in Bonn.

1902: St. Martin's Fountain erected in the Sürst

1902: Inauguration of the Poppelsdorf Synagogue

1903: Kekulé monument unveiled in front of the Chemical Institute

1903: Inauguration of the new Beuel synagogue

1904: Poppelsdorf, Kessenich, Endenich and Dottendorf incorporated into the city of Bonn, Friesdorf into Godesberg

1904: St. Joseph's parish church in Beuel consecrated

1906: Kaiser Wilhelm monument on Kaiserplatz inaugurated

1906: Kinkel monument unveiled in Oberkassel

1906: Viktoriabad inaugurated

1906: Rhine embankment railroad to Cologne goes into operation

1907: Foundation of the "Städtisches Orchester", today's "Beethoven Orchester Bonn"

1911: Emilie Heyermann founds the first secondary school for girls in Bonn.

1911: Opening of the electric streetcar lines to Siegburg and Oberdollendorf (not extended to Bad Honnef until 1925)

1913: The "Rhenish Expressionists" exhibition opens in the Cohen art salon

1913: Gaudeamus or student fountain inaugurated

1914: In Bonn, 200 millionaires make the city the third richest in Prussia.

1915: New building of the Rhineland Chamber of Agriculture inaugurated

1915: Muffendorf is incorporated into Godesberg

1918: Allied aircraft attack on Bonn during the First World War, claiming 26 lives.

1918: Workers', citizens' and soldiers' council formed in Bonn

1918: After the end of the First World War, British and then French occupation of Bonn until 1926

1920: Hans Riegel, Bonn, founds HARIBO, the largest licorice factory in Europe.

1923: Rhenish separatists occupy Bonn's town hall.

1925: Old City Hall on Bottlerplatz completed

1926: Bad Godesberg is allowed to use the title "Bad" from now on

1932: The intersection-free Cologne-Bonn highway, forerunner of the first German A1 autobahn, is opened to traffic

1933, March 13: Nazi Mayor of Bonn, Bad Godesberg and Beuel appointed

1933, April 3-4: KPD city councillor Otto Renois shot dead

1933, May 10: Book burning on the market square

1933 June 29: Adolf Hitler at the Rheinhotel Dreesen the day before the Munich Röhm Putsch

1933, October 2: Pedagogical Academy inaugurated, seat of the Parliamentary Council in 1948, subsequently converted into the Federal Palace

1934, May 13: Zoological Research Institute and Museum Alexander Koenig inaugurated

1934, November: Bonn becomes a major city with 100,000 inhabitants

1935, February 26: "Lindenwirtin" Aennchen Schumacher passes away

1935, July 1: Bad Godesberg becomes a city after the incorporation of Lannesdorf and Mehlem

1936, 7 March: German troops march into the demilitarized Rhineland, greeted with cheers by the people of Bonn.

1936, December 19: Thomas Mann is stripped of his honorary doctorate from the Faculty of Philosophy at the University of Bonn

1937, January 21: Foundation of the Bad Godesberg City Soldier Corps

1937, April 1: The offices of Duisdorf and Oedekoven are merged to form the Duisdorf office

1937/38: Heinrich Böll is an apprentice in the Mathias Lempertz bookshop

1937/38: Hermann Göring barracks on the Venusberg, Troilo and Gallwitz barracks in Duisdorf occupied by the military

1938, March 25: Buschdorf boxer Adolf Heuser wins the world light heavyweight championship, 1938/39 European light heavyweight and heavyweight championships

1938, September 22-24: British Prime Minister Neville Chamberlain and Hitler negotiate the Sudeten crisis at the Rheinhotel Dreesen a few days before the Munich Agreement.

1938, November 10: Destruction of all five synagogues in Bonn, Poppelsdorf, Beuel, Bad Godesberg and Mehlem on the day after the Reich Pogrom Night

1938, December 19: Beethoven's "Monument to Eternity" at Alter Zoll is inaugurated

1941, June 18: Forced deportation of Jews from Bonn and the surrounding area to the collection camp in the monastery Zur Ewigen Anbetung in Endenich begins

1941, July 29: Execution of two Polish forced laborers in Limperich

1942, January 26: The mathematician Prof. Felix Hausdorff takes his own life with his wife and sister-in-law for fear of deportation.

1942, June 14: Start of the deportation of Jews from Bonn and the surrounding area to the extermination camps in the East

1942, November 16: Start of the transport of mentally and mentally ill and disabled children from the Rheinische Klinik für Jugendpsychiatrie to killing centers

1943, March 11: Start of the deportation of Bonn Sinti to Auschwitz

1943, September 7: Execution of the pianist Karlrobert Kreiten in Berlin-Plötzensee

1944, October 18: Bonn's city center is completely destroyed by British bombers

1944, December 21: Heavy air raid on Bad Godesberg

1945, March 8/9: American troops occupy Bad Godesberg and Bonn.

1945, March 20: American soldiers occupy Beuel.

1945, August 13: British military governor Pirie appoints Eduard Spoelgen as Mayor of Bonn.

1945, November 17: The University of Bonn resumes teaching.

1946, March 19: Start of publication of the "Kölnische Rundschau" for Cologne and Bonn, since 1949 independent as "Bonner Rundschau"

1946, September 1-3: "Kuhle Kirmes" is celebrated again

1946 September/October: First free local elections after the Second World War bring the CDU an absolute majority in Beuel, Bad Godesberg and Bonn.

1947, March 8: "Heimatverein Beuel" founded, first chairman is Prof. Dr. Heinrich Neu.

1947, August 7: Bonn-Oxford town twinning agreed, one of the first ever in Germany

1948, September 1: Opening of the Parliamentary Council in the Alexander Koenig Museum

1949, February 28: First Rose Monday parade in Bonn after the Second World War

1949, March 2: The "Notgemeinschaft der Deutschen Wissenschaft", founded in Cologne in January and later renamed the German Research Foundation, moves its headquarters to Bonn.

1949, May 10: The Parliamentary Council designates Bonn as the provisional seat of the constitutional bodies in the nascent Federal Republic of Germany.

1949, May 23: Promulgation of the Basic Law by Konrad Adenauer

1949, August 14: Elections to the First German Bundestag

1949, September 7: Constituent session of the First German Bundestag

1949, September 12: Election of the first Federal President Theodor Heuss

1949, September 15: Election of Konrad Adenauer as the first Federal Chancellor

1949, September 24: Foundation of the National Olympic Committee in the Alexander Koenig Museum

1949, November 3: The German Bundestag rejects its relocation to Frankfurt. Bonn remains the provisional capital of the Federal Republic of Germany.

1949, November 12: Inauguration of the new (Kennedy) Rhine Bridge

1949, November 13: First state visit to Bonn: US Secretary of State Dean Acheson

1949, December 17: Inauguration of the large lecture hall of the University Hospitals on the Venusberg. Start of regular teaching in the summer semester of 1950

1950, January 7: First major demonstration in Bonn: protest march of 1500 trucks due to the increase in the price of petrol and diesel

1950, May 20: Opening of the "Contra-Kreis-Theater"

1950, September 24: The memorial in memory of the persecuted and murdered citizens of Bonn is inaugurated

1951: Bonn Carnival Festival Committee founded

1951, March 15: Establishment of the Foreign Office

1952, March 28: Bad Godesberg municipal theater opens

1952, August 24: Beuel elevated to city status

1952, November 10: Honor guard of the city of Bad Godesberg founded

1954, February 1: The Friedrich Ebert Foundation moves its headquarters from Hanover to Bonn.

1954, March 28: Dedication of the restored Kreuzkirche church

1954, August 31: Godesberg Carnival Festival Committee founded

1954, June 13: Reopening of "Rhine in Flames"

1954, November 8: Emperor Haile Selassie of Ethiopia is the first state guest in Bonn

1955: The Bundestag bans the Federal Government from building in Bonn.

1955, December 15: Inauguration of the Godesberg City Hall

1955, December 20: The first Soviet ambassador, Valerian Sorin, arrives in Bonn.

1957, May 2-4: First major conference in Bonn: the foreign ministers of the NATO states

1957, November 22: Marie Balzer becomes President of the Old Beuel Ladies' Committee and the first "Obermöhn".

1958, October 21: Walter Ullrich opens his "Kleines Theater" in Bad Godesberg

1959, May 26: Inauguration of the new synagogue in Tempelstraße

1959, September 8: Inauguration of the new Beethovenhalle

1959, November 13-15: SPD party conference adopts "Godesberg Program".

1960, October 17: Inauguration of the new university library

1961, June 17: "Verschönerungsverein Godesberg" renamed "Verein für Heimatpflege und Heimatgeschichte Bad Godesberg" (Association for the Preservation and History of Bad Godesberg)

1961, December 20: New building of the Pedagogical Academy on Römerstraße inaugurated

1962, September 4/5: First state visit by French President Charles de Gaulle

1963, May 12: Schumann House in Endenich inaugurated

1963, June 23-25: State visit by US President John F. Kennedy

1963, July 10: Foundation of the Bonn Art Association, with Carlo Schmid giving the keynote address

1965, May 5: Inauguration of the new municipal theater (now Bonn Opera)

1966, 27 January: Adelheid von Vilich canonized by Pope Paul VI

1966, June 12-14: "Moby Dick", a white beluga whale in the Rhine, appears off Bonn.

1967, April 19: Death of Konrad Adenauer

1967, June 28: Inauguration of the Friedrich Ebert Bridge

1967, November 21: Juridicum of the Faculty of Law and Political Science inaugurated

1968, May 11: Large demonstration by the Extra-Parliamentary Opposition (APO) against the Bundestag's emergency legislation

1969, February 24: Inauguration of the "Langer Eugen" high-rise parliament building

1969, June 16: Alfred Gütgemann from Bonn University Hospital performs the first liver transplant in Germany

1969, August 1: Municipal reorganization of the Bonn area

1969, October 4: Bonn fencer Friedrich Wessel becomes world champion.

1970: International Beethoven Festival of the City of Bonn on the occasion of the 200th anniversary of the composer's birth

1970, March 20: Opening of the new Cologne-Wahn Airport, now Konrad Adenauer Airport

1970, July 15: Conclusion of the first of the three ten-year Bonn contracts

1970, September 23: Bonn-Nord sports park inaugurated

1971, May 20: First "Bonn Summer" opens

1971, October 26: State visit by Queen Juliana and Prince Bernhard of the Netherlands

1972, December 11: Inauguration of the Konrad Adenauer Bridge

1973, January 18: Federal Chancellor Willy Brandt finally confirms Bonn as the federal capital

1973, January 27: CDU party headquarters Konrad-Adenauer-Haus inaugurated

1973, April 10: The Old Town Hall occupied and vandalized by demonstrators during the visit of the President of South Vietnam Nguyen Van Thieu

1973, May 18-21: State visit by CPSU General Secretary Leonid Brezhnev

1973, September 15: Inauguration of the City Ring: Bonn city center free of traffic

1974, June 7: Laying of the foundation stone of the new SPD party headquarters Erich-Ollenhauer-Haus

1975, May 19: Central editorial office of the daily newspaper "Die Welt" relocated from Hamburg to Bonn

1975, September 11: The federal government, the state of North Rhine-Westphalia and the city of Bonn sign an agreement on further expansion of the federal capital.

1976, July 1: Federal Chancellor Helmut Schmidt moves into the new Chancellery.

1976, May 17: Inauguration of the Science Center

1977, May 19: Death of "Bon(n)ifatius" Hermann Wandersleb

1978, May 20: Inauguration of the new City Hall in Bonn

1978, July 15-17: World Economic Summit of the seven Western industrialized nations

1978, November 2: Opening of the "Kaiser-Passagen" shopping center

1979, April 27: Opening of the Federal Garden Show

1979, August 27: Inauguration of the Mehlem House in Beuel

1979, October 28: "Arbeitskreis zur Erhaltung des historischen Stadtgefüges von Bonn" receives German Prize for Monument Protection

1980, September 22-29: First meeting week with former Jewish citizens of Bonn

1980, October 1: Inauguration of the Altstadt-Center Bad Godesberg

1980 November 15: State visit by Pope John Paul II.

1981, May 23: Opening of the world's first women's museum

1981, October 10: 300,000 people demonstrate "For peace and disarmament"

1981, November 14: First Bonn comprehensive school inaugurated in Beuel

1982, June 10: NATO summit in Bonn, with US President Ronald Reagan, among others

1982, June 24: Inauguration of the Max Planck Institute for Mathematics in Beuel. Friedrich Hirzebruch becomes director

1983, October 22: Large peace demonstration with human chains against the NATO Double-Track Decision

1983, December 20: Signing of the Bonn-Tel Aviv Friendship Treaty in Israel

1985, May 2-4: Second World Economic Summit in Bonn

1986, June 13: Opening of the alternative cultural center "Brotfabrik" in Beuel

1986, September 16: First session of the German Bundestag in the former waterworks

1986, October 10: Assassination of the diplomat Dr. Gerold von Braunmühl by terrorists

1986, November 29: Opening of the "Kammerspiele Bad Godesberg" theater

1987, January 16: Opening of the new Center of Fine Arts at August-Macke-Platz

1987, September 7/8: State visit by Erich Honecker, head of state and party leader of the GDR

1987, October 15: Inauguration of the new Post Ministry building

1989, January 1: Opening concert in the Beethovenhalle to mark the 2000th anniversary of the city of Bonn

1989, January 15: Brückenforum opened in Beuel

1989, February 24: Inauguration of the chamber music hall "Hermann J. Abs" of the Beethoven-Haus Association on the occasion of its 100th anniversary

1989, March 6: (First) signing of the Bonn-Potsdam partnership agreement under the SED government

1990: March 19 - April 11 Economic Conference of the 35 CSCE member states in Bonn

1990 June 21: The first freely elected Prime Minister of the GDR, Lothar de Maizière, signs the Golden Book of the City of Bonn

1990 October 3: Signing of the German Unification Treaty in Berlin, since then a national holiday as the "Day of German Unity"

1990 November 29: (Second) signing of the Bonn-Potsdam Partnership Treaty

1991 June 20: The German Bundestag decides to relocate the parliament and
and parts of the Federal Government to Berlin

1991 September 25: Inauguration of the August Macke House

1992 June 17: Inauguration of the Kunstmuseum Bonn and the Art and Exhibition Hall of the Federal Republic of Germany

1992 June 18-28: First European Drama Biennale

1992 October 30: The German Bundestag inaugurates the new plenary chamber

1994 October 16: For the first time, the SPD and Bündnis 90/DIE GRÜNEN together win an absolute majority in Bonn City Council

1994 March 10: Adoption of the Berlin/Bonn Act by the German
Bundestag

1994 April: Start of construction of the King Fahd Academy of the Kingdom of Saudi Arabia

1994 June 14: Inauguration of the House of the History of the Federal Republic of Germany

1995 June 1: Mayor of Bonn Bärbel Dieckmann takes over the function of the previous Lord Mayor and thus also heads the administration

1995 July 11: Foundation deed for CAESAR signed

1995 November 3: Opening of the Deutsches Museum Bonn

1996 20 June: UN Secretary-General Dr. Boutros Boutros-Ghali opens the domicile of the United Nations Volunteers (UNV) in Carstanjen Castle

1996 November 10: Memorial to the Bonn victims of National Socialism inaugurated

1997 July: Jan Ullrich from the Deutsche Telekom cycling team wins the Tour de France

1998 January 28: Bonn City Museum inaugurated

1999 July 1: Last session of the German Bundestag in Bonn

1999 September 25-October 10: First annual International Beethoven Festival of the City of Bonn

2000 July 14: Last session of the Bundesrat in Bonn

2000 November 21: Queen Beatrix of the Netherlands attends the opening of the exhibition "Germany - Netherlands, cheerful to cloudy" in the House of History

2001 March 17: Opening of the Egyptian Museum at the University of Bonn

2002 December: The Post Tower, Deutsche Post DHL's corporate headquarters, in the former government district is ready for occupancy

2003: City of Bonn decides to build a World Congress Center (WCCB)

2003 May 30: Inauguration of the CAESAR research center

2003 October 10: Reopening of the Museum Alexander Koenig after renovation

2003 November 22: After extensive renovation work, reopening of the Rheinisches Landesmuseum, since 2008 LVR-Landesmuseum Bonn

2004 May 21: Opening of the "Path of Democracy" in the Federal Quarter

2005 August 15-21: World Youth Day of the Roman Catholic Church in Cologne with events also in Düsseldorf and Bonn

2006 July: Opening of the UN Campus

2007 February 1: Start of local reporting by WDR's "Lokalzeit Bonn" program

2009 November 15: Opening of the 5-star Kameha Grand Bonn hotel in Bonn's Bogen district

2010 April 13: Founding meeting of the board of trustees of the alliance "Fest.Spiel.Haus.Freunde e.V." in the Beethoven-Haus

2012 June 2: Inauguration of the renovated Namen-Jesu-Kirche as the Episcopal Church of the Old Catholics