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May 18th is the 138th day in the Gregorian calendar. On this day France's TGV train achieved a world rail speed record of 320 miles per hour; Mt. St. Helens erupted in Washington state, killing 57 people and causing $3 billion in damage, and Constantine the Great announced free food for all the citizens of Constantinople. Famous May 18th birthdays include Tina Fey and country crooner George Strait. Today is National No Dirty Dishes Day and National Pizza Party Day.
We have 20 holidays listed for May 18.
Ascension Day This is a Christian holiday that doubles as a public holiday in many countries.
Battle of Las Piedras On the anniversary of the Battle of Las Piedras, see its enduring mark on Uruguay’s history.
Haitian Flag Day Travel back in time with us as we celebrate the historical Haitian Flag Day.
I Love Reese's Day Stop and have a Reese’s Cup because we are celebrating I Love Reese’s Day.
International Museum Day It’s an opportunity to support museum education and make everyone aware of the importance of museums.
Mother Whistler Day Find out how to celebrate Mother Whistler Day right here with us at National Today.
National Aperitif Day On National Aperitif Day, add a little aperitif to your cocktail and sip it in style!
National Brock Day This National Brock Day, take some time to learn the name’s history and meaning.
National Marvin Day Know someone named Marvin? Make their day by celebrating their name right here, right now.
National Notebook Day Roses are red, violets are blue, National Notebook Day is here, and we're celebrating with you.
World AIDS Vaccine Day An annual event to raise awareness about H.I.V. infection and AIDS and their prevention.
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