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Today is: April 20
Scroll to explore events active on this date.
For the current year, this category includes: 7694 events.
Category: Environment, Space & the Outdoors
Highlighting events, holidays, and awareness days celebrating what happens and exists outside, including nature, outer space, and the environment.
The environment category is about what happens outside of our homes.
Environment Space & The Outdoors Events
Lightning Awareness Week, Ntl.: June 20-26
Weekly
National Lightning Safety Awareness week was started in 2001 to call attention to this underrated killer. Since then, lightning fatalities in the United States have dropped from about 50 per year to about...
January
Mosquito Control Awareness Week, Ntl.: Jun...
Weekly
National Mosquito Control Awareness Week falls on the last week of the month of June. Sponsored by the American Mosquito Control Association (AMCA), this promotion raises awareness of the dangers of mos...
January
Cuckoo Warning Day: June 21
Daily
Cuckoo Warning Day is celebrated on the first day of summer, and has been since the 19th Century. It is said that when you hear a cuckoo on this day, there will be a wet summer. The cuckoo bird is a m...
January
Daylight Appreciation Day, Ntl.: June 21
Daily
Daylight Appreciation Day marks the longest day of the year in the Northern Hemisphere. Also known as the summer solstice, this day is used to explore daylighting (the use of natural lighting in an indoo...
January
National Day, (GL): June 21
Daily
Annually on the longest day of the year in the Northern Hemisphere since 1983, National Day in Greenland is a celebration of culture and national pride.
January
Summer Begins (Northern Hemisphere): June...
Daily
This day is the official start of Summer in the Northern Hemisphere, or the summer solstice. During this time in the northern hemisphere, the sun is situated higher in the sky and the angles of the rays o...
January
Vegan Earth Day, World: June 21
Daily
The first annual Vegan Earth Day celebration was held at Pierce College in Woodland Hills, California, USA, on June 21, 2009. _____________ What does it mean to go vegan? Vegan is not vegetarian, which...
January
Winter Begins, Solstice (Southern): June 2...
Daily
In the Southern Hemisphere, winter season starts on June 21. This also signals the winter solstice in the southern hemisphere. A solstice is an occurrence when the Sun is farthest from the equator. During...
January
Rainforest Day, Ntl.: June 22
Daily
World Rainforest Day is a collaborative effort to raise awareness and encourage action to save the rainforests. This day envisions organizations and people everywhere coming together by reaching across po...
January
Flamingo Day, Pink (1957): June 23
Daily
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January
Pink Day, Ntl.: June 23
Daily
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January
Moon-Full: June 24
Daily
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January
Great American Backyard Campout: June 26
Daily
The Great American Backyard Campout encourages Americans to get outdoors and enjoy nature. It is an opportunity to bond with family and discover the ecosystem present in your own backyard.
January
Open Farm Sunday (UK): September
Daily
Open Farm Sunday or The Great British Farm Day is sponsored by LEAF. It's an opportunity for Brits nationwide to visit a farm and experience farm life for themselves. A favorite with children, it is a g...
January
Orange Blossom Day, Ntl.: June 27
Daily
National Orange Blossom Day celebrates the sweet and fragrant flowers that foretell the fruit that will appear. Orange blossoms are the flowers of the orange tree and they are celebrated for their beauty...
January
Paul Bunyan Legend Day: June 28*
Daily
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January
European Astronomical Society Annual Meeti...
Weekly
European Astronomical Society Annual Meeting is the annual meeting of the European Astronomical Society (EAS). With more than 20 years of tradition, it has imposed itself as the largest conference for E...
January
Tropics, International Day of the: June 29
Daily
The Tropics are the region of the earth between the tropics of Cancer and Capricorn. They represent 40% of the world's land mass and 80% of biodiversity. They are the world's lungs and the source of many...
January
Asteroid / Meteor Day, Intl. (1908): June...
Daily
International Asteroid Day is observed each year on the anniversary of the Tunguska impact over Siberia, Russia, June 30, 1908. The day seeks to raise public awareness about asteroid impact hazards. Event...
January
Dog Park Day, Ntl.: May 1
Daily
Dog owners and their four-legged friends are encouraged to enjoy the springtime weather in safe, off-leash areas in their communities by celebrating National Dog Park Day. Dog owners simply need to visit...
January
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