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.
Instead, April 22, 1970, was chosen for the first Earth Day in part because it fell on a Wednesday, the best part of the week to encourage a large turnout for the environmental rallies held across the country, Rogers said.It worked out perfectly, because everybody was at work and they all left, she said.nstead, April 22, 1970, was chosen for the first Earth Day in part because it fell on a Wednesday, the best part of the week to encourage a large turnout for the environmental rallies held across the country, Rogers said. It worked out perfectly, because everybody was at work and they all left, she said.