Scroll to explore events active on this date.
For the current year, this month includes: 597 events.
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World Night in Defense of Starlight, also called "World Night in Defense of the Night Sky and the Right to Observe the Stars as a cultural, scientific and environmental humankind heritage," exists to help...
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National Volunteer Week was established in 1974 and has grown each year exponentially, with thousands of volunteer projects and special events scheduled throughout the week. Plan or attend an event to cel...
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Weed Day falls on April 20 each year, which in the United States is written as 4/20. In marijuana culture, the number 420 is code for smoking pot (reefer, weed, marijuana, or any other names it goes by),...
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After School Professionals Appreciation Week is a joint effort of community partners, after-school programs, child development workers, and individuals designed to celebrate the people who make a differen...
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Since 1883, graduates of Texas A&M University have celebrated a muster of past graduates while honoring deceased graduates. Fondly referred to as Aggies, graduates gather for this highly anticipated event...
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The Boston Athletics Association (BAA) organized the Boston Marathon, an annual event in several cities in greater Boston, Massachusetts. Held on Patriot’s Day, it started in 1897 and is the world’s oldes...
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On April 21, 1960, Brasilia became Brazil's capital city. Located in the country's central region, Brasilia was created as a wholly planned city, replacing the former capital of Rio de Janeiro. Planne...
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Created in 2007, Bulldogs are Beautiful Day is one of a handful of events created by book authors after the release of their books. This particular event derives from the book "Stinky the Bulldog" by Jack...
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Covering fruits, nuts, and even nougat with chocolate wasn’t possible until the 19th century. The technology needed to separate chocolate from cocoa butter wouldn’t be invented until 1828 by Conrad Van Ho...
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World Creativity and Innovation Day, observed on 21 April, aims to raise awareness about the importance of creativity and innovation in all aspects of human development. Creativity can be interpreted in v...
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International Dark Sky Week (IDSA) is an Astronomy event organized by the International Dark-Sky Association. The mission of the IDSA is to protect the night skies in the present and for future generati...
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Dyngus Day, also called Wet Monday (Polish Śmigus-Dingus or Lany Poniedziałek), denotes the Monday following Easter. Historically a Polish tradition, it celebrates the end of the observance of Lent and t...
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Celebrate Egg Salad Week follows the Easter holiday. According to the US Census Bureau, Americans consume, on average, 254 eggs each year. Easter, with its traditional Easter egg hunts, bolsters that num...
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Love is in the air the day after Easter in Luxembourg City, Luxembourg. Lovers and families head into the local market to purchase and exchange ceramic gifts, the chief among these being a ceramic whistle...
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Every Kid Healthy™ Week is an annual observance created to celebrate school health and wellness achievements and recognized on the calendar of National Health Observances. Observed the last week of April...