The 20th Century (up until '62) By UofUcrimson4ever23 Nov 29, 1899 The oldest person living (Emma Morano) is born Emma Morano is born- she is currently 117 years old. Sep 14, 1901 Theodore Roosevelt becomes President of the United States Dec 17, 1903 The Wright Brother's first flight Jul 28, 1914 World War 1 begins in Europe Nov 11, 1918 World War One ends Mar 4, 1933 Franklin D. Roosevelt elected as president Sep 1, 1939 World War 2 begins in Europe Nov 7, 1944 Truman elected president Aug 6, 1945 First use of Atomic Bombs ever- WW2 Sep 2, 1945 World War 2 ends War ends shortly after the first Atomic Bomb, invented by Albert Einstein. Feb 6, 1952 Elizabeth becomes Queen of England Oct 14, 1962 Cuban Missile Crisis