Earth Day

April 22 is Earth Day! Check up on the state of the Earth, and our efforts to conserve it.

Earth Day Stats & Facts | Energy Usage | Quizzes, Games & Activities

Raul CastroRaul Castro replaced his brother, longtime dictator Fidel Castro, as president of Cuba in 2008. Raul Castro helped his brother plan and execute the socialist revolution which overthrew the dictator Fulgencio Batista in the 1950s.

Kim Jong-unKim Jong-un succeeded his father, Kim Jong-il, as the dictatorial leader of North Korea in 2011.

History of the Income Tax in the United States Source: Tax Foundation. The nation had few taxes in its early history.

The Boston Marathon Fact SheetA guide to the world's most celebrated road race by Erin Teare Martin, Mike Morrison, and Catherine McNiff

Year-by-Year Chronology:

1900–2018

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