In History, Today on August 3

A mass shooting occurs at a Walmart store in El Paso, Texas, resulting in 23 deaths and 23 injuries.

The 2016 Summer Olympics officially begin in Rio de Janeiro, Brazil, marking the first time the Olympics are held in South America.

The Islamic State of Iraq and the Levant (ISIL) captures the city of Sinjar in Iraq, leading to a humanitarian crisis for the Yazidi people.

Wikileaks releases over 75,000 classified documents related to the War in Afghanistan, known as the Afghan War Diary.

Mauritania experiences a coup d'état, with President Maaouya Ould Sid'Ahmed Taya being overthrown while he was attending the funeral of King Fahd of Saudi Arabia.

The pedestal of the Statue of Liberty reopens to the public after being closed following the September 11 attacks.

The tallest free-standing structure in the Southern Hemisphere, Sky Tower in Auckland, New Zealand, was officially opened. It became a significant landmark and tourist attraction.

The Tandy Corporation announced the TRS-80 Model I, one of the world's first mass-produced personal computers.

U.S. Senate ratified the Anti-Ballistic Missile Treaty.

The nuclear-powered submarine USS Nautilus completed the first undersea voyage to the geographic North Pole, marking a significant achievement in naval exploration and Cold War military capabilities.

Whittaker Chambers accused Alger Hiss of being a communist and a spy for the Soviet Union during testimony before the House Un-American Activities Committee, leading to a highly publicized trial and Hiss's eventual conviction for perjury.

Italy invaded British Somaliland during World War II, as part of the East African Campaign. This was part of Italy's efforts to expand its colonial empire in Africa.

Jesse Owens won the gold medal in the long jump at the 1936 Berlin Olympics, amid controversy over Nazi ideology.

Calvin Coolidge was sworn in as the 30th President of the United States following the sudden death of President Warren G. Harding. Coolidge's presidency was marked by a period of economic prosperity known as the 'Roaring Twenties.'

Germany declared war on France during World War I, following its declaration of war on Russia two days earlier. This was part of the chain of events that led to the full-scale outbreak of the war.

The British dispatch an ultimatum to Siam (now Thailand), demanding the cession of territories and other conditions following the end of the Franco-Siamese War.

U.S. Congress enacts the Immigration Act of 1882, which imposes a head tax of 50 cents on each immigrant and excludes certain classes of immigrants.

Harvard defeats Yale in the first intercollegiate sporting event in the United States, rowing in the Harvard-Yale Regatta.

The Treaty of Lewistown was signed between the United States and the Shawnee and Seneca tribes, stipulating the cession of lands by the tribes in exchange for land allocations elsewhere, as part of the policies that would later be known collectively as the Indian Removal.

The Treaty of Greenville was signed, ending the Northwest Indian War in the Ohio Country.

Mount Asama in Japan erupted in one of Japan's largest volcanic eruptions in recorded history.

Robert LaSalle built Le Griffon, the first known ship to sail the upper Great Lakes of North America.

The Treaty of Cambrai, also known as the Ladies' Peace, was signed by Margaret of Austria and Louise of Savoy, ending one of the conflicts in the Italian Wars.

Christopher Columbus set sail from Palos de la Frontera, Spain, on his first voyage across the Atlantic Ocean, aiming to find a westward route to Asia. Instead, he would eventually reach the Americas, marking the beginning of European exploration and colonization of the continent.

Tiberius Claudius Nero, the future Roman Emperor Tiberius, celebrates a triumph in Rome for his victories in Germania.