The 1970's Crossword

What was an iconic musical group from 1970?
What war was going on in 1970?
What big amusement park opened in 1971?
What shuttle returns to Earth on Feb. 9, 1971?
What was the demise of Richard Nixon's presidency?
what was the first commercially successful video game?
What was signed to appease the war?
Which famous Pittsburg Pirate was elected into the hall of fame after he died?
Which U.S. president resigned from office in 1974?
What was the number 1 billboard song in 1974?
Who won the world series in 1975?
Where was the the Gerald Ford assasination attempt?
Who was sentenced to life for attempted murder of the president?
Where did the U.S. perform their nuclear test?
What huge iconic movie was released in 1977?
What act was brought up in 1977?
Who was the first openly gay person elected into office?
Who won the 1978 rose bowl?
What famous musical opens in 1979 in New York City?
What was the top song in 1979?