In History, Today on August 1

Apple Inc. became the world's first public company to achieve a market capitalization of $1 trillion.

The United States imposes new sanctions on Russia, Iran, and North Korea, targeting their defense and energy sectors, in response to various geopolitical tensions.

The Rio de Janeiro Summer Olympics officially began, marking the first time the Olympic Games were held in South America.

Microsoft operationalizes Windows 10 as a free upgrade for users running genuine copies of earlier Windows versions, marking a significant shift towards a software-as-a-service model.

The West African Ebola virus epidemic was declared an international public health emergency by the World Health Organization.

The Mars Science Laboratory mission's rover, Curiosity, successfully landed on Mars, beginning its exploration of the Gale Crater to assess past and present habitability.

The United Nations declared the flooding in Pakistan as the worst humanitarian disaster in recent history, affecting over 20 million people.

The Beijing–Tianjin Intercity Railway, the first high-speed rail service in China, began operations, marking a significant advancement in China's transportation infrastructure.

The I-35W Mississippi River bridge in Minneapolis, Minnesota, collapsed during evening rush hour, resulting in 13 deaths and 145 injuries.

A supermarket fire in Asunción, Paraguay, results in the death of at least 396 people and injures over 500 others in one of the worst fire disasters in the country's history.

The Alabama Supreme Court Chief Justice Roy Moore had a Ten Commandments monument installed in the rotunda of the judiciary building, sparking a legal battle over the separation of church and state.

The closing ceremonies of the Centennial Olympic Games were held in Atlanta, Georgia. These games were marked by the tragic bombing on July 27th, but also celebrated athletes from around the world.

MTV launched its first broadcast, marking a significant moment in music and television history.

Vigdís Finnbogadóttir was elected President of Iceland, becoming the world's first democratically elected female head of state.

Helsinki Accords were signed at the final act of the Conference on Security and Cooperation in Europe, aiming to improve relations between the Communist bloc and the West.

The Concert for Bangladesh took place in New York City, organized by former Beatle George Harrison and Indian sitar master Ravi Shankar, to raise funds for the refugee crisis during the Bangladesh Liberation War.

The April Fool's Day BBC broadcast led to public outcry and eventual legislation against rogue media hoaxes in the UK.

Charles Whitman kills 16 people in a shooting rampage at the University of Texas at Austin.

Dahomey (now Benin) gained independence from France.

The United States and Canada formed the North American Aerospace Defense Command (NORAD), a bi-national organization providing aerospace warning, air sovereignty, and defense for Northern America.

The Warsaw Uprising began as the Polish resistance Home Army attempted to liberate Warsaw from German occupation during World War II.

The 1936 Summer Olympics opened in Berlin, Germany, noted for the Nazi propaganda and stunning performances by athletes like Jesse Owens.

The Nanchang Uprising was initiated, marking the beginning of the Chinese Civil War.

Germany declared war on Russia, marking the beginning of World War I.

Adolphus Green, along with other bakers, formed the National Biscuit Company, eventually known as Nabisco.

The First Sino-Japanese War officially began as China declared war on Japan, marking the start of military conflict over influence in Korea.

Colorado was admitted as the 38th state of the United States of America.

Sankharitola Massacre occurred in Domkal, Murshidabad district, resulting in numerous deaths as a part of the ongoing Indigo Revolt in Bengal.

The British North America Act (also known as the Constitution Act of 1867) officially came into force, uniting the provinces of Ontario, Quebec, New Brunswick, and Nova Scotia into the Dominion of Canada.

Slavery was abolished in the British Empire as the Slavery Abolition Act 1833 came into effect.

A new London Bridge opens, replacing the previous bridge that had stood for over 600 years. Designed by engineer John Rennie, the bridge is constructed using granite and was one of the key infrastructural developments in 19th-century London, aiding in the increased traffic and commerce of the growing city.

The Battle of the Nile began, a major naval battle between the British Royal Navy and the French Navy during the French Revolutionary Wars.

Joseph Priestley discovered oxygen by isolating it in its gaseous state, although Carl Wilhelm Scheele had independently discovered it earlier.

The Elector of Hanover became King George I of Great Britain, marking the beginning of the Georgian era.

King Henry III of France was assassinated by the fanatical Dominican friar Jacques Clément, leading to the rise of Henry of Navarre as a claimant to the French throne.

Christopher Columbus landed on the mainland of South America, near present-day Venezuela, during his third voyage.

Henry VII of Luxembourg was elected Holy Roman Emperor. His election marked the brief restoration of the significance and power of the Holy Roman Empire in European politics.

The Swiss Confederation was founded with the signing of the Federal Charter, marking the beginning of Switzerland as a nation.

Peter the Hermit's army, part of the People's Crusade, reaches Hungary on its journey to the Holy Land. The People's Crusade was an unauthorized and unsanctioned series of popular movements, led by individuals like Peter the Hermit, before the official First Crusade began.

The Muslim conquest of Sicily is completed with the capture of Taormina, the last Byzantine stronghold on the island.

Ono no Imoko is dispatched as an envoy of Japan to the Sui dynasty of China, marking an important diplomatic exchange.

Justinian I becomes the sole ruler of the Byzantine Empire after the death of his uncle, Justin I.