On this day in History: The Soviet Union launched Sputnik, October 4, 1957
Other events on October 4th in history:
1927: The Mount Rushmore project began as sculpting of 4 presidents' faces were initiated on the South Dakota landmark.
1965: Pope John Paul VI was the first reigning pope to visit the United States with his one day trip to New York City.
1970: Janis Joplin died of a heroin overdose at the age of 27.
1990: The TV drama, 'Beverly Hills, 90210,' debuted on Fox.
2013: Instagram announced that it would begin displaying advertisements in users' feeds.
'Beverly Hills, 90210' debuted in 1990, will there ever be a reunion?