Here are some notable events that happened on May 18 throughout history:

332 AD – Roman Emperor Constantine the Great announced free food distributions for citizens in Constantinople.

1096 – During the First Crusade, around 800 Jews were massacred in Worms, Germany.

1268 – The Principality of Antioch, a crusader state, fell to the Mamluk Sultan Baibars.

1804 – Napoleon Bonaparte was proclaimed Emperor of France by the French Senate.

1980 – The Mount St. Helens volcano erupted in Washington, USA, causing massive destruction