In 1775, the U.S. Army was established.
In 1777, the Continental Congress adopted the Stars and Stripes as the national flag.
In 1900, Hawaii became a territory of the United States before eventually earning the right of statehood.
In 1982, Argentine troops surrendered their last known stronghold in the Falkland Islands to the British, putting an end to the Falklands War.
In 2007, Palestine’s Fatah-Ha…