In History, Today on January 27

The 78th anniversary of the liberation of Auschwitz-Birkenau was commemorated internationally on Holocaust Remembrance Day with a focus on remembrance and education about the Holocaust.

International Holocaust Remembrance Day continues to be observed globally, as world leaders and organizations focus on combating anti-Semitism and ensuring the historical memory of the Holocaust endures.

The International Holocaust Remembrance Day was observed worldwide with various virtual events due to the COVID-19 pandemic, marking the 76th anniversary of the liberation of Auschwitz-Birkenau.

U.S. President Donald Trump signs Executive Order 13769, titled 'Protecting the Nation from Foreign Terrorist Entry into the United States,' which temporarily bans entry to the U.S. for citizens from seven predominantly Muslim countries.

A fire at the Kiss nightclub in Santa Maria, Brazil, kills 242 people, becoming one of the deadliest nightclub fires in history.

In Egypt, large-scale protests took place against President Hosni Mubarak as part of the wider Arab Spring movements sweeping the Middle East.

Apple Inc. announces the iPad, a revolutionary tablet computer that would go on to influence the design and functionality of mobile devices.

Western Union discontinues its telegram service, marking the end of an era for the telegraph industry.

The first selections for the National Recording Registry are announced by the Library of Congress, recognizing significant sound recordings that are culturally, historically, or aesthetically important.

Germany first observed International Holocaust Remembrance Day on the anniversary of the liberation of Auschwitz-Birkenau.

The pilot episode of the television series 'The A-Team' airs on NBC.

Canadian Caper: Six American diplomats, who had avoided capture in the Iran hostage crisis, escape Iran using Canadian passports.

The Paris Peace Accords are signed, officially ending the Vietnam War and restoring peace in Vietnam.

The Outer Space Treaty, which forms the basis of international space law, is signed by the United States, the United Kingdom, and the Soviet Union.

A cabin fire during a launch rehearsal test for the Apollo 1 mission at Cape Kennedy kills astronauts Gus Grissom, Ed White, and Roger B. Chaffee.

The first nuclear detonation at the Nevada Test Site took place as Operation Ranger

Soviet troops liberate Auschwitz-Birkenau, the largest Nazi concentration and extermination camp.

The 872-day Siege of Leningrad is broken, and the German Army is driven out. This ending of the siege marked a turning point in the Eastern Front of World War II, lifting a severe and tragic period of deprivation and hardship for the city's inhabitants.

Lenin's body is placed in a mausoleum in Red Square, Moscow, following his death on January 21.

The National Geographic Society is founded in Washington, D.C., aiming to increase and diffuse geographic knowledge.

Thomas Edison receives the patent for the electric incandescent lamp.

The opera 'Rigoletto' by Giuseppe Verdi premieres at La Fenice, Venice.

Scotland officially authorizes civil registration for births, marriages, and deaths, marking a significant development in civil documentation.

Charles Lutwidge Dodgson, better known as Lewis Carroll, the author of 'Alice's Adventures in Wonderland,' was born.

The U.S. Congress approves Indian Territory (present-day Oklahoma), clearing the way for the forced relocation of the Eastern Indian tribes via the Trail of Tears.

The University of Georgia is founded, becoming the first public university in the United States.

Wolfgang Amadeus Mozart, one of the most influential composers of the Classical era, is born.

Mustafa II becomes Ottoman Sultan following the deposition of Ahmed II.

The trial of Guy Fawkes and other conspirators involved in the Gunpowder Plot begins in London.

King Henry VIII of England surreptitiously marries Anne Boleyn, marking a pivotal event in the English Reformation as it eventually leads to England's break from the Roman Catholic Church.

Pope Clement VI issued the papal bull Unigenitus, which intended to clarify the teaching on indulgences and was a significant step in the theological controversies surrounding the Church during the 14th century.

Dante Alighieri is exiled from Florence, Italy, due to his political affiliations and opposition to the Black Guelphs.

Emperor Henry IV met Pope Gregory VII at Canossa and begged for forgiveness in the midst of the Investiture Controversy. This marked a pivotal point in the conflict between church and state in medieval Europe.

Trajan becomes Roman Emperor, succeeding Nerva.