On the 20th December 1917, the Russian Bolshevik secret police known as the Cheka was established.
17th October 1933: Einstein moves to the USA after Hitler becomes Chancellor of Germany
17th October 2017
The Russian Social Democratic Labour Party split into the Bolshevik and Menshevik factions.
Vladimir Lenin arrived in Russia after a decade of self-imposed exile.
Trotsky had been a key figure in the Bolshevik Revolution of 1917.
On the 7th November 1917, Red Guards entered the Winter Palace in St Petersburg in a defining event of the Bolshevik Revolution.
11th November 1918: WW1 Armistice of Compiègne is signed
11th November 2018
9th November 1989: East Germany opens the Berlin Wall
9th November 2017