In History, Today on April 22

The European Union announced a new package of sanctions against Russia in response to its invasion of Ukraine.

U.S. President Joe Biden hosted a virtual Leaders Summit on Climate, bringing together 40 world leaders to discuss efforts to tackle climate change.

Earth Day's 50th anniversary is marked by digital events worldwide due to the COVID-19 pandemic.

Volodymyr Zelensky, a former comedian with no prior political experience, won the Ukrainian presidential election in a landslide victory.

The Paris Agreement on climate change was signed by 175 parties at the United Nations Headquarters in New York City.

The Deepwater Horizon oil spill began in the Gulf of Mexico, becoming one of the largest environmental disasters in U.S. history.

The Tata Nano, billed as the world's cheapest car, officially launches in Mumbai, India. Designed by Tata Motors, the vehicle aims to provide affordable transportation to the masses.

Jack Kilby, the American electrical engineer and co-inventor of the integrated circuit, passes away. He was awarded the Nobel Prize in Physics in 2000 for his part in the invention which revolutionized electronics.

Two fuel trains collided and exploded in Ryongchon, North Korea, killing at least 160 people and injuring over 1,300.

An attempted coup in the Central African Republic is thwarted. The insurgents briefly hold the capital Bangui before being defeated by loyalist forces.

An international protest known as the National Mobilization on Climate Change brings together activists in over 140 countries to demand action against climate change. Demonstrations occur across the globe, highlighting environmental concerns and urging policy changes.

The Holocaust Memorial Museum is dedicated in Washington, D.C., to honor the victims of the Holocaust.

Intel released the first Intel 486DX2 microprocessor, marking a significant advancement in computer processing technology.

The first Earth Day is celebrated, marking the birth of the modern environmental movement.

Adolf Hitler admits defeat in his underground bunker and decides to remain in Berlin until the end of the war.

During World War I, the Second Battle of Ypres begins. It marks the first large-scale use of chemical weapons on the Western Front by Germany.

The Oklahoma Land Rush begins at noon, with an estimated 50,000 people lined up to claim land in the Oklahoma Territory.

The first successful testing of April glider designed by Otto Lilienthal, a pioneer in human aviation.

The U.S. Congress passes the Coinage Act of 1864, which mandates the inscription 'In God We Trust' on all coins minted as U.S. currency.

The Sirius becomes the first steamship to cross the Atlantic Ocean, departing from Cork, Ireland, and arriving in New York City.

Texas forces under Sam Houston surprised and defeated the Mexican army of General Antonio López de Santa Anna in the Battle of San Jacinto, leading to the independence of Texas.

The United Irishmen's Rebellion: The Irish Republican Army attempt to launch a diversionary attack during the Easter Rising.

Madras native Indians rioted after British began to tax their houses, doors, and windows.

Queen Anne of England knights Isaac Newton at Trinity College, Cambridge.

The Treaty of Zaragoza is signed, dividing the eastern hemisphere between Spain and Portugal along a meridian 297.5 leagues east of the Moluccas.

Portuguese navigator Pedro Álvares Cabral becomes the first European to sight Brazil, claiming it for Portugal.

The Treaty of Stralsund is signed, ending the war between Denmark and the Hanseatic League, with the League's position in the Baltic Sea becoming significantly strengthened.

The death of Emperor Wen of Sui, the founder of the Sui Dynasty in China, who is credited with unifying the country after centuries of division and initiating major reforms.

The Byzantine general Belisarius enters Rome, marking a significant moment in the Gothic War as the Eastern Roman Empire seeks to reclaim the Italian Peninsula from the Ostrogoths.