In the evening of the 9th November 1989, the East German government opened the Berlin Wall after central committee spokesman Guenter Schabowski mistakenly announced that GDR citizens could cross into West Berlin with immediate effect.
Einstein, who was Jewish, was undertaking a visiting professorship at the California Institute of Technology in Pasadena when Adolf Hitler was appointed Chancellor on 30 January 1933.
First established to celebrate the marriage of Crown Prince Ludwig to Princess Therese of Saxe-Hildburghausen, the most important part of the festivities was a horse race held on the final day.
Keen to consolidate the newly-united Germany, Chancellor Otto von Bismarck turned to diplomacy in an attempt to ensure the status quo in Europe.
Boris III became Tsar of Bulgaria at the end of the First World War, just four days after his father, Ferdinand I, signed the Armistice of Thessalonica with the Allied Powers.
On the 26th September 1923, German Chancellor Gustav Stresemann ended passive resistance in the Ruhr and resumed the payment of First World War reparations.
On September 12th 1919, Adolf Hitler officially joined the German Workers’ Party (DAP).
On the 10th September 1989, the Hungarian government announced the opening of the border with Austria to allow thousands of East Germans to leave the Communist Bloc.
The Nazi German Luftwaffe launched the first of 57 consecutive days and nights of bombing raids on London in what became known as the Blitz.
Shortly after midnight on the morning of the 6th September 1972, nine Israeli Olympic athletes were killed by Palestinian terrorists from the Black September group in the Munich massacre.