Pathfinder lands on Mars

In Philadelphia, Pennsylvania, the Continental Congress adopts the Declaration of Independence, which proclaims the independence of the United States of America from Great Britain and its king.

On July 4, 1826, former Presidents Thomas Jefferson and John Adams, who were once fellow Patriots and then adversaries, die on the same day within five hours of each other. Thomas Jefferson and John Adams were the last surviving members of the original American revolutionaries who had stood up to the British empire and forged […]

The Confederacy is torn in two when General John C. Pemberton surrenders to Union General Ulysses S. Grant at Vicksburg, Mississippi. The Vicksburg campaign was one of the Union’s most successful of the war. Although Grant’s first attempt to take the city failed in the winter of 1862-63, he renewed his efforts in the spring. […]

At about 5 p.m. on Thursday, July 4, 1940 a bomb explodes at the New York World’s Fair in Flushing, Queens, instantly killing two New York City police detectives and wounding five other men, two critically. The New York World’s Fair, which ran from April 1939 to October 1940 and took as its theme “Building […]

On July 4 in 1971, a primate star is born when a baby western lowland gorilla enters the world at the San Francisco Zoo. The gorilla, born in captivity on Independence Day to parents Jacqueline and Bwana, is named Hanabiko, which means “fireworks child” in Japanese—but she soon becomes known around the world as “Koko.” […]