In History, Today on July 29

The Battle of Kleidion took place, where Byzantine Emperor Basil II defeated the Bulgarian forces, leading to the eventual fall of the Bulgarian Empire.

The Spanish Armada was spotted off the coast of England, marking a significant moment in the Anglo-Spanish War.

Inauguration of the Arc de Triomphe in Paris, commissioned by Napoleon after his victory at Austerlitz in 1805.

Sir Robert Baden-Powell held the first experimental camp on Brownsea Island, which led to the establishment of the Boy Scout movement.

Adolf Hitler became the leader of the National Socialist German Workers' Party (NSDAP).

The United States Congress passed legislation establishing the National Aeronautics and Space Administration (NASA).

In New York City, David Berkowitz, known as the 'Son of Sam,' committed his first murder, beginning a series of attacks that terrorized the city.

The wedding of Prince Charles and Lady Diana Spencer took place at St Paul's Cathedral in London.

Astronomers announced the discovery of Eris, a dwarf planet in the scattered disc beyond Neptune, which led to the reclassification of Pluto as a dwarf planet.

The United Nations Security Council held a meeting to discuss the ongoing conflict in Syria, highlighting the humanitarian crisis and the need for international intervention.

Microsoft released Windows 10, a major update to its operating system, which introduced features like the Edge browser and Cortana digital assistant.

The opening ceremony of the 2016 Summer Olympics was held in Rio de Janeiro, Brazil, marking the first time the Olympics were hosted in South America.

A 6.4 magnitude earthquake struck the island of Lombok in Indonesia, causing significant damage and loss of life, and was followed by a series of aftershocks.