What happened in 1945 to 1991?

The Maya developed two different calendars for which two aspects of their lives? Why do you eat Christmas pudding? Does the US Navy make you swim in the ocean? What day was guido Fawkes found? What type of government did the Jamestown colony have? Who was the last man standing in the triumvirate? What were the pro's and con's of confederation for each colony? Where does the name Merthyr Tydfil come from? Why do people where striped pajamas in Auschwitz? How did Babylon treat prisoners? What was the war called in 1754 with France and England? Who were the 4 main groups targeted for annihilation in World War 2? Why did Joan of arc wish to have an audience with the dauphin? What is the group of people in the church? How was the famous Minotaur born? What did medieval priests do to get people to heaven? What did Anne Bonny's father do? Did Benjamin Franklin begin what is now general electric? When did Jamestown become important in Virginia? What is used for caulking the seams of wooden ships?