First live commercial radio broadcast.
The blender is invented.
Clarence Birdseye invents flash-freezing fresh foods.
First nighttime major-league baseball game.
Fiberglass invented by Owens Corning.
Microwave oven invented.
Patent for Zamboni machines granted.
Diners' Club issues first credit card.
Microchip invented by Texas Instruments.
First computers connected via a network.
The compact disc is introduced.
Baseball: 2004 World Series