Today in history, The dome of the church of St. Sophia in Constantinople collapses. Its immediate rebuilding is ordered by Justinian in 558.
Today in history, The Second Council of Lyons opens in France to regulate the election of the pope in 1274.
Today in history, Congress divides the Northwest Territory into two parts. The western part will becomes the Indiana Territory and the eastern section remains the Northwest Territory in 1800.
Today in history, Beethoven’s “Ninth Symphony” premieres in Vienna in 1824.
Today in history, The American Medical Association is formed in Philadelphia in 1847.
Today in history, In the Battle of the Coral Sea (see picture below). Japanese and American navies attack each other with carrier-launched warplanes. It is the first time in the history of naval warfare where two fleets fought without seeing each other.Two crucial battles in 1942 marked the turning point of the war in the Pacific.