October 27, 1791– President George Washington transmitted to Congress the results of the first US census, exclusive of South Carolina which had not yet submitted its findings.
On the same day in 1728, Captain James Cook was born in the United Kingdom. Cook is known for charting New Zealand and the Great Barrier Reef of Australia on his ship The HMB Endeavour.
October 28, 1636– Harvard College, the oldest institution of higher learning in the United States, was founded in Cambridge, Massachusetts
October 29, 1929– the most catastrophic day in stock market history occurred: Black Tuesday. This marked the beginning of the Great Depression.
October 30, 1961– the USSR detonated “Tsar Bomba”, a 50-megaton hydrogen bomb, which remains the largest explosive device ever detonated.
October 31, 1517– Martin Luther nailed his 95 Theses to the door of a church in Wittenberg, Germany. Luther condemned the excess and corruption of the Roman Catholic Church, and fueled the Protestant Reformation movement.