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100
In 1911 this famous car race was held for the first time in Pennsylvania 
Indy-500
100
In 1962, this British group released their first single "Love Me Do" in the United Kingdom
The Beatles
100
In 1976, this computer company was founded in a garage
Apple
100
In 1951 popular TV show "I love ____" premiered on CBS
I Love Lucy
100
In 1963 this U.S. Civil rights leader gave his famous "I have a Dream" speech
Martin Luther King
200
In 1935 this legendary baseball player retired after hitting his 714th home run
Babe Ruth
200
First African-American woman to make Jazz big. Their track 'strange music is still a crowning glory of Jazz music
Billie Holiday 
200
In 1989 Nintendo created this portable game system
Nintendo Game Boy
200
In 1905, this popular kids television channels started with a silent film called "The Great Train Robbery". It cost 5 cents to watch.
Nickelodeon
200
In 1995 this Asian fighter entered the boxing world for the first time
Manny Pacquiao 
300
In 1973 this woman beat Bobby Riggs in the  "Battle of the sexes" tennis match

Billy Jean King

300
He was one of the early musicians who made rock and roll seriously respectable in the world.
Elvis Presely
300
In 1995 this online auction website was launched
E-Bay
300
In 1975 this late night sketch show aired for the first time
Saturday Night Live
300
In 1997 this author released the first book in he "Harry Potter" series
J.K. Rowling
400
In 1973 this horse became the first horse in history to win the triple crown

Secretariat 

400
This American singer was called the "king of pop" and was the most popular entertainers in the world. 
Micheal Jackson
400
In 1975 this computer company was founded by a guy named Bill 
Microsoft
400
In 1987 this major television network began operations 
FOX
400
In 1955 this woman made a statement in Alabama by refusing to give up her seat on a bus
Rosa Parks
500
This global soccer competition took place for the first time during July, 1930 
FIFA World Cup 
500
Jamaican singer-songwriter who blended mostly reggae, ska, and rock in his compositions 
Bob Marley
500
In 1903 this motor vehicle company was founded
Ford
500
In 1981 this television channel that featured shows like "____ cribs" was founded
MTV
500
In 1933 this man took control of Germany
Hitler