The American Revolution had an important alliance with France in 1778, after having their trust by winning the battle in Saratoga. The French not only recognized the new United States but also trade concessions and privileges. One year later in 1779, Spain joined the war against the UK in the side of France. The French decision to join the infant United States in its fight for independence was by far the most important factor in America’s winning the Revolutionary War.
August 21, 1918 (Wednesday) Second Battle of the Somme – The second phase of the Allied offensive against Germany began with attacks on Albert and Bapaume, France. A powerful tornado struck Tyler, Minnesota, killing 36 people and injuring over 100 others. It would be the fourth deadliest tornado in the state's history.
Only the private sector can create both positive and negative externalities.
A.D 476, for a total of 507 years, until taken by the ottoman turks in 1453
A.D 478-1453