Event:
P. T. Barnum's circus, "Greatest Show on Earth," debuts (New York City)
More Notable Events on October 30:
1990 England and France complete Chunnel
1976 Jane Pauley becomes news co-anchor of Today Show
1952 Clarence Birdseye sells 1st frozen peas
1896 Martha Hughes Cannon of Utah becomes 1st female senator
1862 Dr. Richard Gatling patents machine gun
