Timeline of Brussels (20th century)

The following is a timeline of the history of Brussels, Belgium, in the 20th century.

Assassination attempt [ nl ; fr ] on King Leopold II in Brussels, 15 November 1902
The Cinquantenaire/Jubelpark memorial arcade , built in 1905
The Marolles/Marollen at the foot of the Palace of Justice , c. 1910
The 1911 Solvay Conference in Brussels was the first world physics conference.
Civilians gather on the Place des Martyrs/Martelaarsplein during the German occupation , 21 July 1915
View of the first Mont des Arts/Kunstberg , c. 1925–1930
The Palais des Expositions during the 1935 Brussels World's Fair
View of the Jubilee Stadium , 1935
German soldiers parade past the Royal Palace of Brussels , May 1940
Scenes of jubilation as British troops liberate Brussels , 4 September 1944
British Foreign Secretary Ernest Bevin signing the Treaty of Brussels , 17 March 1948
The Atomium and cable car during the 1958 Brussels World's Fair ( Expo 58 )
King Baudouin and Doña Fabiola exit the church following their wedding ceremony , 15 December 1960
Construction of the Rogier International Centre , 18 March 1963
The National Basilica of the Sacred Heart , completed in 1970
Construction of the Brussels Metro at the Place de Brouckère/De Brouckèreplein , 1974
Interior of the Brussels Urban Transport Museum , opened in 1982
Jeanneke Pis , completed in 1987
Charles Picqué , the first Minister-President of the Brussels Capital-Region , from 1989 to 1999
First flag of the Brussels-Capital Region , used from 1991 to 2015