In History, Today on August 7

Andre de Grasse wins gold in the men's 4x100m relay at the Tokyo 2020 Olympics, marking a significant achievement for Canada in athletics.

A mass shooting occurred in El Paso, Texas, resulting in 23 deaths and 23 injuries. It was one of the deadliest attacks on the Latino community in modern U.S. history.

The Mojiang mine event paper, which speculated that the coronavirus was linked to a 2012 outbreak among miners in a Mojiang mine, was discussed, sparking debates about COVID-19's possible origins.

The United States returned 500 cultural artifacts to Iraq that had been looted during the Iraq War.

The London 2011 riots, which started on August 6 after a protest turned violent, spread to other parts of London, including Brixton and Enfield. The unrest was triggered by the police shooting of Mark Duggan.

The 2010 Ladakh floods occurred in the Leh district of Jammu and Kashmir, India, resulting in significant loss of life and property.

The Russo-Georgian War began when Georgia launched a military operation to regain control over the breakaway region of South Ossetia, leading to a military response from Russia.

Operation Josephine B, a major offensive against the Taliban in Afghanistan, was launched by British forces in Helmand province.

The United States embassies in Dar es Salaam, Tanzania, and Nairobi, Kenya, were bombed by al-Qaeda, resulting in 224 deaths and over 4,000 injuries.

Operation Desert Shield was launched by the United States to protect Saudi Arabia following Iraq's invasion of Kuwait, leading to the Gulf War.

Philippe Petit performs a high-wire walk between the Twin Towers of the World Trade Center in New York City, an act later documented in the film 'Man on Wire'.

The U.S. Congress passed the Gulf of Tonkin Resolution, giving President Lyndon B. Johnson authority to assist any Southeast Asian country whose government was considered to be jeopardized by "communist aggression." This significantly escalated U.S. involvement in the Vietnam War.

Ivory Coast gained independence from France, marking a significant moment in the decolonization of Africa.

The United States launched Explorer 6, which was equipped with a photocell scanner and became the first satellite to send back images of Earth from space.

IBM dedicates the Automatic Sequence Controlled Calculator (Harvard Mark I), the first program-controlled calculator, which was used during World War II for ballistic calculations.

The Battle of Guadalcanal began during World War II, marking the first major offensive by Allied forces against the Empire of Japan.

Alice Huyler Ramsey becomes the first woman to complete a transcontinental automobile trip across the United States, driving from New York to San Francisco.

Theophilus Van Kannel of Philadelphia was granted a patent for the revolving door.

The Battle of Moorefield during the American Civil War took place, resulting in a victory for Union forces.

Louis Philippe becomes King of the French following the July Revolution, ushering in the July Monarchy period.

The first potato plants are planted in Hawaii, introduced by British botanist James Macrae.

Simón Bolívar triumphantly enters Bogotá after defeating the Spanish in the Battle of Boyacá, a crucial event in the Spanish American wars of independence.

The United States Department of War is established, responsible for military affairs until it was replaced by the Department of Defense in 1949.

George Washington created the Badge of Military Merit, which later became the Purple Heart, to honor soldiers for their service in the American Revolutionary War.

The Treaty of Passarowitz was ratified, concluding the Austro-Turkish War (1716-1718) and the Venetian-Turkish War (1714-1718). This treaty resulted in the exchange of territories between the Holy Roman Empire, the Republic of Venice, and the Ottoman Empire.

The Battle of Nieuwpoort took place as part of the Eighty Years' War. This battle was a key conflict involving the Spanish forces led by Archduke Albert of Austria and Dutch rebel forces under Prince Maurice of Nassau. It ended with a Dutch victory.

Construction of the dome of Santa Maria del Fiore in Florence began, designed by Filippo Brunelleschi, marking a significant development in Renaissance architecture.

After a siege of several months, Berwick-upon-Tweed is captured by the Scots from the English.

The Battle of Tinchebray was fought between Henry I of England and his brother Robert Curthose, Duke of Normandy, resulting in an important victory for Henry and the capture of Robert, bringing Normandy under English control.

Otto I is crowned King of East Francia (Germany) at Aachen Cathedral, marking the beginning of his reign.

The Siege of Constantinople ends as the Avar and Persian forces withdraw after failing to breach the city's defenses.