Communism
From Tardis Wiki, the free Doctor Who reference
Communism was a human form of government based on equality and sharing of means of production. Karl Marx, Vladimir Lenin and Joseph Stalin were all pivotal figures in communism's history. In 20th century Spain, a communist republican group were elected to govern.
The Soviet Union was a communist state. (PROSE: History 101) Its symbol was the hammer and sickle. (COMIC: Target Practice)
In 1919, the Bolsheviks seized power in Uzbekistan. (AUDIO: The Memory Cheats)
In 1958, Colonel Stark claimed that the Tenth Doctor was a communist to justify killing him. (TV: Dreamland)