International Sailor Moon Day
International Sailor Moon Day, celebrated annually on June 30, honors the magical girl heroine Usagi Tsukino—Sailor Moon—and her global community of fans since its founding in 2015. History of International Sailor…
Social Media Day
Social Media Day, celebrated annually on June 30, honors the revolutionary impact of social platforms on global communication since Mashable launched the observance in 2010. History of Social Media Day It…
International Asteroid Day
International Asteroid Day, observed every year on June 30, commemorates the 1908 Tunguska event and raises global awareness about asteroid threats and the importance of planetary defense. History of International Asteroid…
International Day of the Tropics
International Day of the Tropics, observed annually on June 29, celebrates the extraordinary diversity, culture, and global importance of the tropical regions while recognizing their pressing challenges and future potential. History…
International Fisherman Day
International Fisherman Day, celebrated each year on June 29, recognizes the dedication and invaluable contributions of fishermen around the globe, honoring both their heritage and continuing role in food security,…
World Industrial Design Day
World Industrial Design Day, observed annually on June 29, celebrates the global impact of industrial design and the founding of the World Design Organization (originally ICSID). History of World Industrial Design…
Global Smurfs Day
Global Smurfs Day, celebrated annually on the Saturday closest to June 25, honors the beloved blue characters known as Smurfs and commemorates the birthday of their creator, Pierre “Peyo” Culliford….
International Ragweed Day
International Ragweed Day, observed each year on the fourth Saturday in June, raises awareness about ragweed—a fast-spreading plant whose pollen causes widespread allergies. History of International Ragweed Day International Ragweed…
International Body Piercing Day
International Body Piercing Day, celebrated annually on June 28, honors both the artistry of body piercing and the legacy of pioneer Jim Ward, born on this date. History of International Body…
Industrial Workers of the World Day
Industrial Workers of the World Day, observed annually on June 27, honors the founding meeting of the Industrial Workers of the World (IWW) on June 27, 1905. History of Industrial Workers of…