Misc: In 1976 ---------- succeeds Mao Tse-tung as chairman of Communist Party. ?

Questions

World History : What was the Japanese warrior class that rose to power in the 11th century ?

World History : Where did the Incas originate ?

World History : Which aviator made the first non-stop flight across the Atlantic ?

World History : Which event triggered the Great Depression ?

World History : Who was the first president of the USA ?