Historical timeline for January 27

An attack on the Azerbaijani embassy in Pasdaran, Tehran, kills one person and injures three others.

A shooting at a synagogue in Neve Yaakov, East Jerusalem, kills seven people and injures three others.

Protests and public outrage spark across the U.S. after the release of multiple videos by the Memphis Police Department showing officers punching, kicking, and pepper spraying Tyre Nichols as a result of running away from a traffic stop, which resulted him dying in the hospital three days later after the incident.

A naming ceremony for the chemical element tennessine takes place in the United States.

Rojava conflict: The Kobanî Canton declares its autonomy from the Syrian Arab Republic.

Two hundred and forty-two people die in a nightclub fire in the Brazilian city of Santa Maria, Rio Grande do Sul.

Within Ursa Minor, H1504+65, a white dwarf with the hottest known surface temperature in the universe at 200,000 K, was documented.

Arab Spring: The Yemeni Revolution begins as over 16,000 protestors demonstrate in Sanaa.

The 2009 Honduran constitutional crisis ends when Porfirio Lobo Sosa becomes the new President of Honduras.

Apple announces the iPad.

The first selections for the National Recording Registry are announced by the Library of Congress.

An explosion at a military storage facility in Lagos, Nigeria, kills at least 1,100 people and displaces over 20,000 others.

Germany first observes the International Holocaust Remembrance Day.

In a military coup, Colonel Ibrahim Baré Maïnassara deposes the first democratically elected president of Niger, Mahamane Ousmane.

The pilot shaft of the Seikan Tunnel, the world's longest sub-aqueous tunnel (53.85 km) between the Japanese islands of Honshū and Hokkaidō, breaks through.

Through cooperation between the U.S. and Canadian governments, six American diplomats secretly escape hostilities in Iran in the culmination of the Canadian Caper.

The Paris Peace Accords officially ends the Vietnam War. Colonel William Nolde is killed in action becoming the conflict's last recorded American combat casualty.

Apollo program: Astronauts Gus Grissom, Ed White and Roger Chaffee are killed in a fire during a test of their Apollo 1 spacecraft at the Kennedy Space Center, Florida.

Cold War: The Soviet Union, the United States, and the United Kingdom sign the Outer Space Treaty in Washington, D.C., banning deployment of nuclear weapons in space, and limiting the usage of the Moon and other celestial bodies to peaceful purposes.

South Vietnamese Prime Minister Trần Văn Hương is removed by the military junta of Nguyễn Khánh.