The Danes are crushed by the Catholic League in Germany, marking the end of Danish intervention in European wars.
The Americans are defeated by the British at the Battle of Long Island, New York.
The Allies defeat Napoleon at the Battle of Dresden.
Union troops make an amphibious landing at Cape Hatteras, North Carolina.
New York state's Pure Food Law goes into effect to prevent "the adulteration of food or drugs."
The United States congress passes an income tax law as part of a general tariff act, but it is found unconstitutional.
Thomas Edison demonstrates the first "talking" pictures--using a phonograph--in his New Jersey laboratory.
Edgar Rice Burrough's Tarzan of the Apes first appears in a magazine.
Italy declares war on Germany.
Fifteen nations sign the Kellogg-Briand Peace Pact, outlawing war and calling for the settlement of disputes through arbitration. Forty-seven other countries eventually sign the pact.
The Prime Minister of Japan, Fumimaro Konoye, issues an invitation for a meeting with President Franklin Roosevelt.
Veronica & Colin Scargill of England complete tandem bicycle ride around the world, a record 18,020 miles (29,000.4 km).
President Ronald Reagan announces NASA Teacher in Space project, intended to inspire students and honor teachers and spur interest in the fields of science, mathematics and space exploration.
Chuck Berry performs his tune Johnny B. Goode for NASA staff in celebration of Voyager II's encounter with the planet Neptune.
Mars makes its closest approach to Earth in nearly 60,000 years, passing within 34,646,418 miles (55,758,005 km).
Democrats nominate Barack Obama for president, first African American nominated by a major political party for the office of President of the United States.