What is associated with: 1900s coat or 1970s car?

What is associated with: 1900 its slang for an informer? What is associated with: 1900 a naval officer tries to live down the cowardly act of abandoning a ship he thought was s… What is associated with: 1900 british troops invade orange free state during this conflict? What is associated with: 1900 dorothy lived in the midst of the great kansas prairies? What is associated with: 1901 baskerville hall? What is associated with: 1901 leon czolgosz? What is associated with: 1901 up from slavery? Which performer is associated with '1901'?