In History, Today on January 4

The United States announces it will suspend security assistance to Pakistan, citing the country's failure to take decisive action against terrorist groups.

Saudi Arabia severed diplomatic relations with Iran following attacks on its embassy and consulate in Iran.

The United States Congress passes the American Taxpayer Relief Act of 2012, averting the fiscal cliff and preventing widespread tax increases and spending cuts.

Burj Khalifa, the tallest man-made structure in the world, officially opens in Dubai, United Arab Emirates.

Israeli Prime Minister Ariel Sharon suffers a severe stroke, leading to his incapacitation and the end of his political career.

NASA's Mars rover Spirit successfully lands on Mars, beginning its mission to explore the Martian surface.

The euro was introduced as a currency in 11 European Union countries.

President Richard Nixon refused to hand over materials subpoenaed by the Senate Watergate Committee.

President Lyndon B. Johnson outlined his 'Great Society' plan in his State of the Union address.

Sputnik 1, the first artificial Earth satellite, fell to Earth from orbit after three months in space.

During the Korean War, Chinese and North Korean forces captured Seoul.

Burma (now Myanmar) gained independence from the United Kingdom.

World War II: Operation Carpetbagger, involving the dropping of supplies and agents for resistance groups in Europe, begins.

Topsy the elephant is electrocuted as part of a public demonstration by Thomas Edison to discredit alternating current (AC) and promote direct current (DC).

Utah was admitted as the 45th state of the United States.

The first successful appendectomy is performed by Dr. William W. Grant in Davenport, Iowa.

The McDonald Islands are discovered by Captain William McDonald aboard the Samarang.

Samuel Colt sold his first revolver pistol to the United States government.

Louis Braille, the inventor of a widely used tactile writing system for the visually impaired, was born. His work would later revolutionize reading and writing for the blind community worldwide.

The British defeat the Americans in the Battle of Jersey during the American Revolutionary War.

Great Britain declared war on Spain, expanding the Seven Years' War.

Colony of Georgia reverses its ban on slavery, leading to significant changes in its labor system and economy.

The Netherlands, Great Britain, and France signed the Triple Alliance to counter the power of Spain.

King Charles I of England attempted to arrest five members of Parliament, an event that contributed to the outbreak of the English Civil War.

Christopher Columbus began his return to Spain from his first voyage to the Americas.

Anne of Brittany announced that she would marry Charles VIII of France, which eventually led to the unification of Brittany and France.

Construction on the Alhambra begins in Granada, Spain, under the rule of Muhammad I, the first Nasrid emir. The Alhambra is a palatial fortress complex reflecting the peak of Islamic architecture in medieval Spain and serves as a symbol of the Nasrid dynasty's power and culture.

King Magnus I of Norway is believed to have been crowned King of Norway and Denmark, a significant consolidation in the region that set the stage for the future political landscape of Scandinavia.

The Battle of Reading took place, where the West Saxons, led by King Æthelred and his brother Alfred the Great, attempted to repel a Viking invasion. The battle was part of the larger Viking invasions of England during this period.

Julius Caesar defeats Titus Labienus in the Battle of Ruspina during Caesar's Civil War.