22 December 1543

A tsunami, triggered by the partial collapse of Anak Krakatoa, killed 426 people and injured over 14,000 in coastal areas of Indonesia.

The United States Copyright Office stated that works lacking human authorship, such as a photograph taken by a monkey, could not be registered for copyright in the United States.

The United States repealed its "don't ask, don't tell" policy on gay, lesbian and bisexual people in the military (signing pictured).

A dike ruptured at a waste containment area for a coal-fired power plant in Kingston, Tennessee, releasing 1.1 billion gallons (4.2 million m3) of coal fly ash slurry in the largest industrial spill in US history.

Burhanuddin Rabbani of the Northern Alliance handed over power in Afghanistan to the interim government headed by Hamid Karzai.

Richard Reid unsuccessfully attempted to detonate a bomb in his shoe on a transatlantic flight from Paris to Miami.

Hussein Farrah Aidid relinquished the disputed title of President of Somalia.

While riding a New York City Subway train, Bernhard Goetz shot four African-American youths who had attempted to rob him, sparking a nationwide debate on vigilantism, racism, and the legal limits of self-defense.

Chaired by Sjafruddin Prawiranegara, the Emergency Government of the Republic of Indonesia was established to counter Dutch attempts to re-assert colonial control.

Members of the All-India Muslim League observed a "Day of Deliverance" to celebrate the resignations of members of the Indian National Congress over the decision to enter the Second World War at the request of the United Kingdom.

The Lincoln Tunnel, connecting New York City to Weehawken, New Jersey, opened.

In an effort to avoid engaging in the Napoleonic Wars, the United States Congress passed the Embargo Act, forbidding American ships from engaging in trade with foreign nations.

An earthquake with an estimated magnitude of 7.9 struck the eastern Alborz mountains in Persia, causing an estimated 200,000 deaths.

Pope Innocent I began his papacy, succeeding Anastasius I.

A tsunami caused by an eruption of Anak Krakatau in Indonesia kills at least 430 people and injures almost a thousand more.

United Nations Security Council Resolution 2397 against North Korea is unanimously approved.

A study finds the VSV-EBOV vaccine against the Ebola virus between 70 and 100% effective, making it the first proven vaccine against the disease.

Bashir Ahmad Bilour of Awami National Party and eight others are killed in a Pakistan Taliban bomber suicide attack in Dhaki Nalbandi area near Qissa Khwani Bazaar.

The repeal of the Don't ask, don't tell policy, the 17-year-old policy banning homosexuals serving openly in the United States military, is signed into law by President Barack Obama.

An ash dike ruptures at a solid waste containment area for a Tennessee Valley Authority coal-fired power plant in Roane County, Tennessee, releasing 4.2 million m3 (1.1 billion US gal) of coal fly ash slurry in the largest industrial spill in U.S. history.

Burhanuddin Rabbani, political leader of the Northern Alliance, hands over power in Islamic State of Afghanistan to the interim government headed by President Hamid Karzai.

Richard Reid attempts to destroy a passenger airliner by igniting explosives hidden in his shoes aboard American Airlines Flight 63.

Just after taking off from London Stansted Airport, Korean Air Cargo Flight 8509 crashes into Hatfield Forest near Great Hallingbury, killing all four people on board.

Acteal massacre: Attendees at a prayer meeting of Roman Catholic activists for indigenous causes in the small village of Acteal in the Mexican state of Chiapas are massacred by paramilitary forces.