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Earth Day was first held on March 21, 1970 in san fransisco and other cities on the first day of spring. But then another earth day was founded on April 22. While this April 22 Earth Day was focused on the United States.
en.wikipedia.org/wiki/Earth_Day -
There were numerous reasons the beatles broke up. All of this started when their manager died. They also did not see equal in their artistic views. In the 1970s they started working on solo projects. When the public first found out was when Paul Mccartney came out with his solo album.
en.wikipedia.org/wiki/The_Beatles'_break-up -
The 26th amendment limited the voting age to eighteen. It was adopted because of the student activism against the vietnam war.
http://en.wikipedia.org/wiki/Twenty-sixth_Amendment_to_the_United_States_Constitution -
The amtrak was created so that private passenger trains would get more use. President Nixon told most of the train companys that he would end it after two years.
http://en.wikipedia.org/wiki/Amtrak -
Disney World had first opened with Magic Kingdom. Since then they have added many rides. Those rides consist of four theme parks and two water parks.
http://en.wikipedia.org/wiki/Walt_Disney_World_Resort -
D.B. Cooper is someone who stole $200,000 and a boeing 727 airplane. No one knows aboout this still.
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Pong was one of the first succesful games. It was originally used for tennis players to practice with. But then it became a popular video game.
http://en.wikipedia.org/wiki/Pong -
M*A*S*H
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HBO was first known as the "Green Channel". Later it was called the home box office, So that is how HBO was created.
http://en.wikipedia.org/wiki/HBO -
This was one of the dozens of laws passed by richard nixon during his presidency. This law was made to protect species that were on the brink of extinction.
http://en.wikipedia.org/wiki/Endangered_Species_Act -
This was a very big thing because for a while girls would try out and make it on teams. So then the little league head quarters decided to have no girls play. If the teams did not tell the girls they couldnt play then they would revoke the leagues charter.