1635 - The French colony of Guadalupe in the Caribbean was formed.
1895 - Labor Day was declared a holiday for federal employees.
1895 - El Salvador, Honduras and Nicaragua form the Central American Union.
1897 - The expedition of Marquis C de Bonchamps arrives in Gore, Ethiopia.
1914 - Austrian Crown Prince Franz Ferdinand and his wife Sophie were killed by Gavrilo Princip in Sarajevo, the cause of the start of World War I.
1919 - A peace treaty was signed in Versailles, Paris, which ended the First World War.
1976 - The first woman was admitted to the American Academy of Air Force in Colorado Springs Colo.
1993 - Republic of Macedonia becomes a member of UNESCO.
