In History, Today on July 27

The European Central Bank (ECB) held a monetary policy meeting where it continued to fight against inflation by considering tightening its policy measures.

The United States witnessed a significant event as hearings commenced on the January 6th Capitol riot, with U.S. Capitol Police officers testifying on their experiences during the storming of Congress.

The longest total lunar eclipse of the 21st century occurs, lasting approximately 1 hour and 43 minutes, and is visible across much of Europe, Asia, Australia, Africa, and South America.

A suicide bombing occurred at a rally in Kabul, Afghanistan, killing at least 80 people and injuring over 230. The attack was claimed by the Islamic State, targeting the Hazara minority.

The United States and Turkey announce an agreement to create an Islamic State-free zone in northern Syria, aiming to push ISIS militants away from the Turkish border.

The Islamic State of Iraq and the Levant (ISIL) seized the Syrian military base known as Division 17 in Raqqa, Syria, as part of its campaign to establish a caliphate in the region.

The opening ceremony of the 2012 Summer Olympics was held in London, United Kingdom, showcasing British culture and history, and marking the start of the Games attended by athletes from 204 nations.

BP announced that CEO Tony Hayward would be replaced by Bob Dudley, effective October 1, 2010, following the Deepwater Horizon oil spill disaster in April 2010.

The Federal Republic of Yugoslavia's National Assembly adopts the constitution of the newly formed Republic of Serbia following the dissolution of the State Union of Serbia and Montenegro.

The Provisional Irish Republican Army (IRA) announced an end to its armed campaign, stating it would pursue its aims through peaceful means, marking a significant step in the Northern Ireland peace process.

Ukraine airshow disaster: A Sukhoi Su-27 fighter jet crashed during an aerobatics presentation at the Sknyliv airfield near Lviv, Ukraine, killing 77 people and injuring over 500, marking it as the world's deadliest air show accident.

A pipe bomb exploded at Centennial Olympic Park in Atlanta during the Summer Olympics, killing two and injuring over 100 people.

The Americans with Disabilities Act (ADA) was signed into law by President George H. W. Bush, prohibiting discrimination based on disability.

The House Judiciary Committee voted to recommend the first article of impeachment against President Richard Nixon for obstruction of justice in the Watergate scandal.

The United States sends 5,000 more military advisers to South Vietnam.

The Korean War armistice was signed, effectively ending hostilities between North and South Korea, although a formal peace treaty was never signed.

The de Havilland Comet, the world's first commercial jet airliner, makes its maiden flight.

Bugs Bunny makes his official debut in the animated short 'A Wild Hare'.

Researchers at the University of Toronto, led by Frederick Banting and Charles Best, successfully isolated insulin, leading to a breakthrough in diabetes treatment.

Vincent van Gogh shot himself in a wheat field in Auvers-sur-Oise, France, succumbing to his injuries two days later. This marked a tragic point in the life of the influential post-impressionist painter.

The Atlantic Cable was successfully completed, allowing for telegraphic communication between Europe and North America.

The Cavan Orphanage Tragedy took place in Ireland, where a fire broke out leading to the deaths of 36 girls.

The United States signed a treaty with the Winnebago tribe, known as the Treaty of St. Peters, which involved the cession of lands west of the Mississippi River.

The July Revolution in France began, a revolution against King Charles X's ruling aimed at establishing a constitutional monarchy.

Maximilien Robespierre, a leading figure of the French Revolution, was arrested by the National Convention, marking the end of the Reign of Terror.

The first U.S. federal government agency, the Department of Foreign Affairs, was established, later renamed the Department of State.

The First Battle of Ushant, a naval battle between British and French fleets during the American Revolutionary War, took place in the English Channel. The battle was indecisive and led to political fallout for some British commanders.

The decisive Battle of Killiecrankie was fought during the Jacobite rising in Scotland. It resulted in a victory for the Jacobites led by John Graham, Viscount Dundee, despite his death in the battle.

The English Parliament passed the Second Navigation Act, which aimed to tighten the control over colonial trade by requiring that goods imported to England or its colonies be transported on English ships.

The Treaty of Edinburgh was signed, concluding the Siege of Leith and formally ending hostilities between Scotland and England. This treaty called for the withdrawal of French troops from Scotland and solidified the Protestant Reformation in Scotland by committing to the cause of Protestantism.

The Battle of Sampford Courtenay took place during the Prayer Book Rebellion, a result of widespread discontent in Cornwall and Devon, England, against religious reforms imposed by the government of Edward VI. The Devon insurgents, opposed to the new English-language Book of Common Prayer, were ultimately defeated by government forces.

The Battle of Bouvines took place, marking a decisive victory for the French King Philip II over an alliance of English, Flemish, and Holy Roman Empire forces.

Siward, Earl of Northumbria, invades Scotland and defeats Macbeth, King of Scotland, at the Battle of Dunsinane.

Pope Celestine I dies. He was known for his opposition to the Nestorian heresy and for sending St. Patrick to evangelize Ireland.