Source: Library of Congress (LOC)
“Earth Day was first observed in Spring of 1970. An estimated 20 million people nationwide attended festivities out of which came the largest grassroots environmental movement in U.S. history, and the impetus for national legislation like the Clean Air and Clean Water Acts. By the twentieth anniversary of that event, April 22, 1990, more than 200 million people in 141 countries participated in Earth Day celebrations.” (LOC) Learn about the history of Earth Day.
Source: The National Arbor Day Foundation
“It has been 130 years since J. Sterling Morton founded Arbor Day. His simple idea of setting aside a special day for tree planting is now more important than ever.” (NATIONAL ARBOR DAY FOUNDATION) This site gives a history of Arbor Day and promotes its celebration. The site also features tree descriptions and identification information.
Source: British Broadcasting Corporation (BBC)
“Easter is the most important festival in the Christian calendar. It is the commemoration of Jesus’s death and his rising from the dead, also known as the resurrection.” (BBC) Visitors to this site can learn more about this Christian holiday.