On This Day: June 13th

Lewis and Clark Expedition: Scouting ahead of the expedition, Meriwether Lewis and four companions sight the Great Falls of the Missouri River.

American Revolutionary War: Gilbert du Motier, Marquis de Lafayette lands near Charleston, South Carolina, in order to help the Continental Congress to train its army.

Rhode Island becomes the first of Britain's North American colonies to ban the importation of slaves.

Georgia provincial governor James Oglethorpe begins an unsuccessful attempt to take Spanish Florida during the Siege of St. Augustine.

King Charles I of England marries Catholic princess Henrietta Maria of France and Navarre, at Canterbury.

Martin Luther marries Katharina von Bora, against the celibacy rule decreed by the Roman Catholic Church for priests and nuns.

Henry Grace à Dieu, at over 1,000 tons the largest warship in the world at this time, built at the new Woolwich Dockyard in England, is dedicated.

In England, the Peasants' Revolt, led by Wat Tyler, comes to a head, as rebels set fire to the Savoy Palace.

Ibn Battuta begins his travels, leaving his home in Tangiers to travel to Mecca (gone 24 years).

The decisions of the Edict of Milan, signed by Constantine the Great and co-emperor Valerius Licinius, granting religious freedom throughout the Roman Empire, are published in Nicomedia.