As the World Turns started on April 2, 1956.
 (Japan)April 30Armed Forces Day (Georgia (country))Birthday of the King (Sweden)Camarn Day (French Foreign Legion)Children's Day (Mexico)Consumer Protection Day (Thailand)Honesty Day (United States)International Jazz Day (UNESCO)Martyr's Day (Pakistan)May Eve, the eve of the first day of summer in the Northern hemisphere (see May 1):Beltane begins at sunset in the Northern hemisphere, Samhain begins at sunset in the Southern hemisphere
 The traditional etymology is from the verb aperire, "to open", in allusion to its being the season when trees and flowers begin to "open", which is supported by comparison with the modern Greek use of  (nixi) (opening) for spring

