By Day: Historical Events on May 11th

Byzantium was renamed Constantinople (now Istanbul) and dedicated to Emperor Constantine. Constantinople is generally considered to be the center and the "cradle of Orthodox Christian civilization". Constantinople was the largest and wealthiest city in Europe, from the mid-5th century to the early 13th century.

Holy Roman Emperor Frederick I Barbarossa and 100,000 crusaders depart Regensburg for the Third Crusade which is also known as the Kings's Crusade. It was an attempt led by three European monarchs of Western Christianity (Philip II of France, Richard I of England and Frederick I, Holy Roman Emperor) to reconquer the Holy Land following the capture of Jerusalem by the Ayyubid sultan Saladin in 1187. It recaptured the important cities of Acre and Jaffa, and reversed most of Saladin's conquests, but it failed to recapture Jerusalem. .

Minnesota was admitted to the Union of States and becomes the 32nd State.

An enormous dust storm, 1,500 miles long and 600 miles wide, that originated on the west coast, moved eastward across the Great Plains. A total of 300 million tons of topsoil, parched to dust by drought were blown out of the Great Plains. More

The FDA announces approval of Enovid for birth control. The approval limited its use to no more than two years. Nine years later, in 1969 Barbara Seaman’s book, “The Doctor’s Case Against the Pill,” show testimony and research showing that the high doses of estrogen in the early Pill put women at risk of blood clots, heart attacks, strokes, and cancer. More