What happened on May 24 ?

Canada: Victoria Day, on this date or the Monday before it. In Quebec, it is known as National Patriotes Day (Journée nationale des patriotes). The holiday is often referred to as "May Two-Four," -- a "two-four" being slang for a case of beer with 24 bottles or cans.

Bermuda: Bermuda Day.

Eritrea: National Day.

Bulgaria: Saints Cyril and Methodius Day celebrated as Bulgarian Education and Culture, and Slavonic Script Day.

Macedonia: Saints Cyril and Methodius Day celebrated as Macedonian Script and Culture Day.

Aldersgate Day (Methodism).

Saints Donatianus and Rogatianus

Saint Amaël

Saint Suzanna

Mary, Help of the Christians

Saint Sarah is celebrated in Camargue, France by the Roma or Gypsies.