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.
Second Punic War: Hannibalâs War in Italy. A powerful army stood poised to cross the Ebro River into northern Spain, comprising soldiers from many peoples and cultures. Yet heterogeneous as the force was, most all of them were veterans of two decades of continuous warfare.