World Goth Day
World Goth Day is held on May 22. The Official World Goth Day site defines it as "a day where the goth scene gets to celebrate its own being, and an opportunity to make its presence known to the rest of the world.". This event in the third decade of the month may is annual.
International Virtual Assistants Day on May 21 (the third Friday in May);
World Endangered Species Day on May 21 (This environmental date is celebrated on the third Friday of May);
21st May – International Chardonnay Day on May 21 (Celebrated on the Thursday before Memorial Day (U.S.) each year thanks to the creator Rick Bakas);
Bike-to-Work Day in United States on May 21 (is celebrated on the third Friday of May);
Sherlock Holmes Day on May 22 (Sir Arthur Conan Doyle, the british writer, who gave the world one of the most famous fictional detectives, was born on this day in 1859);
World Turtle Day on May 23 (sponsored yearly since 2000 by American Tortoise Rescue, is to bring attention to, and increase knowledge of and respect for, turtles and tortoises, and encourage human action to help them survive and thrive);