Academic tenure was put in place in U.S. school systems in the first half of the 20th century to protect teachers from arbitrary punishment, but in the last several decades it has morphed into something else altogether.
More facts about short wars: 1  The second-shortest war in recorded history occurred during the 20th century. Launched on 5 June 1967, the Six Day War was the result of Egypt calling for Arab nations to take action against Israel after leaders in that nation made threats against the country of Syria.
Britain's policy of appeasement had failed to stop Hitler. Hitler invaded Poland on 1st September 1939 and Britain and France declared war on Germany two days later.However, there was little fighting for the first six months of the war and this period is known as 'the phoney war '.There were two sides in World War Two.1  Axis Powers-Germany, Italy, Japan. 2  Allied Powers-Britain, France, Soviet Union.owever, there was little fighting for the first six months of the war and this period is known as 'the phoney war '. There were two sides in World War Two. 1  Axis Powers-Germany, Italy, Japan. 2  Allied Powers-Britain, France, Soviet Union.