What happened in 1945 to 1991?

Who were some famous athletes of the Harlem Renaissance? When in ancient china was deep drilling invented? Did vikings dance? Who captured philadelphia in 177? What effect did the atomic bomb have on the economies? How did women aid the revolutionary was effort? What historical event happened in 1507? How many years old the History of written records management is? Why would a 1999 Chevy Silvarado smell like gas when you start it up? Trees from this region were exported to Potugal so the Portuguese called this country the land trees? How many anchor does the uss constitution have? Which west African state developed a trade relationship with Portugal during the mid-1400s bringing Europe in contact with their arts? What did jb Priestley do in world war 1? Was Alexander Hamilton a free mason? How did the civil war affect women-? What strong army did Alexander defeat? What continent did Columbus think he had reached when he visited the Americas? What are some mysteries about ancient Egypt? When and where did baseball player Johnny Hopp die? Are there any African American nuns?