1847 - The U.S. Post Office issued its first adhesive stamps.
1862 - The U.S. Congress established the Bureau of Internal Revenue.
1863 - During the U.S. Civil War, the first day's fighting at Gettysburg began.
1867 - Canada became an independent dominion.
1874 - The Philadelphia Zoological Society zoo opened as the first zoo in the United States.
1897 - Three years after the first issue of "Billboard Advertising" was published, the publication was renamed, "The Billboard".
1898 - During the Spanish-American War, Theodore Roosevelt and his "Rough Riders" waged a victorious assault on San Juan Hill in Cuba.
1905 - The USDA Forest Service was created within the Department of Agriculture. The agency was given the mission to sustain healthy, diverse, and productive forests and grasslands for present and future generations.
1909 - Thomas Edison began commercially manufacturing his new "A" type alkaline storage batteries.
1934 - The Federal Communications Commission replaced the Federal Radio Commission as the regulator of broadcasting in the United States.
1943 - The U.S. Government began automatically withholding federal income tax from paychecks.
1951 - Bob Feller set a major league baseball record as he pitched his third no-hitter for the Cleveland Indians.
1961 - The first community air-raid shelter was built. The shelter in Boise, ID had a capacity of 1,000 people and family memberships sold for $100.
1963 - The U.S. postmaster introduced the five-digit ZIP (Zoning Improvement Plan) code.
1979 - Sony introduced the Walkman.