On July 15, 1799, the Rosetta Stone, a key to deciphering ancient Egyptian hieroglyphic writing, was discovered at Fort Julien in the Nile Delta during the Napoleonic campaign in Egypt.

In 1834, the Spanish Inquisition ended more than 350 years after its creation.

In 1870, Georgia became the last Confederate state to be readmitted to the Union.

In 1916, the Boeing Company, originally known as Pacific Aero Products Co., was founded in Seattle.

In 1996, MSNBC, a 24-hour all-news network, made its debut on cable and the internet.

In 1997, fashion designer Gianni Versace, 50, was shot dead outside his Miami Beach home; suspected gunman Andrew Phillip Cunanan, 27, was found dead eight days later, a suicide.

In 2006, Twitter (now known as X) was launched.