First Day of Autumn Fall Equinox-day when night and day are of equal length. September (9/22/08, 9/22/09, 9/23/10, 9/23/11, 9/22/12, 9/22/13, 9/23/14, 9/23/15, 9/22/16, 9/22/17, 9/23/18, 9/23/19, 9/22/20). 1  Autumnal Equinox. 2  Fall Equinox. 3  Earth's Seasons.
Earth Day Flag created by John McConnell. Earth Day is an annual event, celebrated on April 22, on which day events worldwide are held to demonstrate support for environmental protection.hile this April 22 Earth Day was focused on the United States, an organization launched by Denis Hayes, who was the original national coordinator in 1970, took it international in 1990 and organized events in 141 nations.
The celebration of Earth Day is on April 22nd and it began 1970. It has grown into a global event recognized by over 192 countries. Devoting special a day to helping for the earth is a way to demonstrate how much we care about the future of our planet.he celebration of Earth Day is on April 22nd and it began 1970. It has grown into a global event recognized by over 192 countries. Devoting special a day to helping for the earth is a way to demonstrate how much we care about the future of our planet.