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Alien Abduction Day is an unofficial observance that explores the phenomenon of alleged alien abductions and encourages discussion and speculation about extraterrestrial encounters...

World UFO Day is a special day dedicated to raising awareness about unidentified flying objects (UFOs) and promoting discussions and research related to extraterrestrial life...

Pluto Day is an observance dedicated to celebrating the dwarf planet Pluto and raising awareness of its importance in the solar system...

The equinox is a celestial event that occurs twice a year and marks the moment when the plane of the Earths equator passes through the center of the Sun...