1930s

Television sets first appeared on Earth in the 1930s. (AUDIO: Upstairs)

One of the entrances to Bianca's was located in 1930s Berlin. (AUDIO: The Wormery)

The Great Depression happened in the 1930s. The Tenth Doctor and Martha Jones witnessed the poverty caused by it, when they visited New York City. During their visit, the city was invaded by the Daleks. (TV: Daleks in Manhattan/Evolution of the Daleks)

In the late 1930s, the Third Doctor and Jo Grant visited Paris and encountered Iris Wildthyme. Together, they went to Rue de Fleurus and partied with Gertrude Stein, Pablo Picasso, Jean Cocteau, and Alice Toklas. (PROSE: The Scarlet Empress)