1) The first video game console, the Magnavox Odyssey, was released in 1972 and featured games such as Pong and Table Tennis.

2) The Federal Reserve System, often referred to as the Fed, is the central banking system of the United States.

3) Norse mythology, originating from the Scandinavian region, features gods and mythical creatures like Odin, Thor, Loki, and Valkyries. It explores themes of heroism, destiny, and the battle between gods and giants, with intricate tales recorded in texts such as the Prose Edda and Poetic Edda.

4) The Treaty of Versailles, signed in 1919, officially ended World War I and imposed heavy penalties and reparations on Germany.