In History, Today on August 6

Facebook removed a post from President Donald Trump for the first time, citing misinformation about COVID-19, as the post falsely claimed children were 'almost immune' to the virus.

The United States reimposed sanctions on Iran that had been lifted under the 2015 nuclear deal, following President Donald Trump's decision to withdraw from the agreement earlier in the year.

The United States marked the 70th anniversary of the atomic bombing of Hiroshima with a ceremony in the city, attended by representatives from over 100 countries, including the United States.

NASA's Curiosity rover successfully landed on Mars, beginning its mission to explore the planet's climate and geology and assess whether it ever offered conditions favorable for microbial life.

A U.S. military helicopter was shot down in Afghanistan, killing 30 American troops, including 22 Navy SEALs, marking the deadliest day for U.S. forces in the decade-long war.

Typhoon Morakot made landfall in Taiwan, initiating widespread flooding and leading to significant fatalities and damage.

A high-profile truck accident occurred when a fuel truck and a passenger bus collided in the town of Vrancea, Romania, resulting in multiple casualties.

The National Security Agency (NSA) released a Presidential Daily Briefing titled 'Bin Laden Determined to Strike in US,' warning of potential terrorist attacks by al-Qaeda.

Tim Berners-Lee released files describing his idea for the World Wide Web, marking the beginning of the web as a publicly accessible service.

U.S. President Lyndon B. Johnson signed the Voting Rights Act into law, prohibiting racial discrimination in voting.

Jamaica gained independence from the United Kingdom, becoming a sovereign nation within the Commonwealth.

The United States dropped an atomic bomb on Hiroshima, Japan, during World War II, marking the first use of nuclear weapons in warfare.

Gertrude Ederle became the first woman to swim across the English Channel.

Austria-Hungary declared war on Russia, escalating the conflict that became World War I.

The first execution by electric chair took place in Auburn Prison in New York, marking a significant moment in the history of capital punishment.

The Confederate ironclad CSS Arkansas was scuttled on the Mississippi River after suffering damage during the American Civil War.

Bolivia declared independence from Spain with Simón Bolívar playing a significant role in its liberation.

The Holy Roman Empire was dissolved following the abdication of Emperor Francis II, marking the end of the centuries-old empire.

The Constitution of the United States underwent finalization of its draft language, a crucial step in the shaping of the new nation's governance framework before its final adoption in September 1787.

The Treaty of the Pyrenees was ratified by France and Spain, formally ending the Franco-Spanish War, which lasted from 1635 until 1659. This treaty weakened Spain's global influence and marked the ascent of France as a major European power under King Louis XIV.

Sir Humphrey Gilbert, an English pioneer of overseas expansion, was born. He later promoted colonizing the Americas in the name of England.

Bogotá, the present-day capital of Colombia, was founded by Spanish conquistador Gonzalo Jiménez de Quesada.

The Council of Pisa concluded its meetings with the election of Antipope Alexander V, which temporarily resolved the Western Schism by introducing a new papal line.

William Wallace, a key leader in the Wars of Scottish Independence, is captured by the English near Glasgow.

Construction of the current building of Notre-Dame de Paris begins, replacing an earlier basilica.

The Battle of Simancas is fought between the forces of the Christian kingdoms of León and Castile, led by King Ramiro II, and the Muslim Umayyad Caliphate under the command of Abd al-Rahman III. The battle results in a decisive victory for the Christian forces.

Otto I was crowned King of Germany, marking the beginning of the Ottonian dynasty.

The Treaty of Meerssen was signed, dividing the Carolingian Empire among the sons of Louis the German and Charles the Bald, further fragmenting the empire established by Charlemagne.

John I became the first pope to visit Constantinople, seeking to negotiate with Emperor Justin I.

Pope Sixtus II was martyred during the persecution of Christians under the Roman Emperor Valerian.