36. What year did Australia become a federation?
37. What was the name of the German offensive operation in October 1941 to take Moscow before winter?
38. The Bohemian Revolt (1618-1620) started after Protestants in Prague did what to their Catholic Lords Regents?
39. How old was Lyndon B. Johnson when he assumed the role of President of the United States?
40. What was Napoleon Bonaparte's name before he changed it?