Wikimedia Commons has media related to . 1980 1980 ( MCMLXXX) was a leap year starting on Tuesday of the Gregorian calendar, the 1980th year of the Common Era (CE) and (AD) designations, the 980th year of the Anno Domini 2nd millennium, the 80th year of the 20th century, and the 1st year of the 1980s decade.
January 4 – U.S. President Jimmy Carter proclaims a grain embargo against the USSR with the support of the European Commission. 
January 6 – Global Positioning System time epoch begins at 00:00 UTC.
January 9 – In Saudi Arabia, 63 Islamist insurgents are beheaded for their part in the siege of the Great Mosque in Mecca in November 1979. 
January 14 – Indira Gandhi returns to power as Prime Minister of India. 
January 20 – At least 200 people are killed when the Corralejas Bullring collapses at Sincelejo, Colombia. 
January 21 – The London Gold Fixing hits its highest price ever of $843 per troy ounce ($2,249.50 in 2020 when adjusted for inflation). 
January 22 – Andrei Sakharov, Soviet scientist and human rights activist, is arrested in Moscow. 
January 26 – Israel and Egypt establish diplomatic relations. 
January 27 – Canadian Caper: Six United States diplomats, posing as Canadians, manage to escape from Tehran, Iran, as they board a flight to Zürich, Switzerland, on Swissair.
January 28 – The U.S. Coast Guard cutter USCGC capsizes after colliding with the oil tanker SS Blackthorn Capricorn and sinks, drowning 23 of its crew of 50. January 31 – Burning of the Spanish Embassy in Guatemala: The Spanish Embassy in Guatemala is invaded and set on fire, killing 36 people. In the United States, it is dubbed "Spain's own Tehran". 
March 3 - Pierre Trudeau returns to office as Prime Minister of Canada.
March 4 – Robert Mugabe is elected Prime Minister of Zimbabwe. 
March 8 – The Soviet Union's first rock music festival starts.
March 14 – LOT Polish Airlines Flight 007 crashes during an emergency landing near Warsaw, Poland, killing a 14-man American boxing team and 73 others. 
March 18 – Fifty people are killed at the Plesetsk Cosmodrome in Russia, when a Vostok-2M rocket explodes on its launch pad during a fueling operation.
March 19 – 20 – The MV , the ship housing Mi Amigo pirate radio station Radio Caroline, sinks off the English coast (the station returns aboard a new ship in 1983).
March 21 – U.S. President Jimmy Carter announces that the United States will boycott the 1980 Summer Olympics in Moscow because of the Soviet invasion of Afghanistan. 
March 22 – The Georgia Guidestones are erected in Elbert County, Georgia, United States. 
March 26 – A mine lift cage at the Vaal Reefs gold mine in South Africa falls 1.9 kilometres (1.2 mi), killing 23 workers. 
March 27 – The Norwegian oil platform collapses in the North Sea, killing 123 of its crew of 212. Alexander L. Kielland 
March 28 – The Talpiot Tomb is discovered by construction workers in Jerusalem.  March 31 – Chicago, Rock Island and Pacific Railroad operates its final train.
April 2 – The St Pauls riot breaks out in Bristol.
April 7 – The United States severs diplomatic relations with Iran and imposes economic sanctions, following the taking of American hostages on November 4, 1979.
April 10 – In Lisbon, Portugal, the governments of Spain and the United Kingdom agree to reopen the border between Gibraltar and Spain in 1985, closed since 1969.
April 14 – Iron Maiden's debut self-titled album is released in the U.K. Iron Maiden
April 18 – Zimbabwe gains de jure independence from the United Kingdom with Robert Mugabe as its first Prime Minister.
April 21 –
April 24 – Pennsylvania Lottery Scandal: the Pennsylvania Lottery is rigged by six men including the host of the live TV drawing, Nick Perry.
April 24 – 25 – Operation Eagle Claw, a commando mission in Iran to rescue American embassy hostages, is aborted after mechanical problems ground the rescue helicopters. Eight United States troops are killed in a mid-air collision during the failed operation. 
April 25 – Dan-Air Flight 1008 crashes in Tenerife, killing all 146 occupants; at the time it was the worst air disaster involving a British-registered aircraft in terms of loss of life. 
April 26 – Louise and Charmian Faulkner disappear from outside their flat in St Kilda, Victoria, Australia.
April 27 – The Dominican embassy siege in Colombia ends with all remaining hostages released after the guerrillas are allowed to escape to Cuba. April 30
May 1 – "About that Urban Renaissance...", an article by journalist Dan Rottenberg in , contains the first recorded use of the word " Chicago yuppie". 
May 2 – Referendum on system of government held in Nepal.
May 4 – Yugoslav President Josip Broz Tito dies. The largest state funeral in history is organized, with state delegations from 128 different countries out of 154 UN members at the time.
May 7 – Paul Geidel, convicted of second-degree murder in 1911, is released from prison in Beacon, New York, after 68 years and 245 days (the longest-ever time served by an inmate).
May 8 – Global eradication of smallpox certified by the World Health Organization.
May 16 – Rookie Magic Johnson scores 42 points to lead the Los Angeles Lakers to a 123–107 victory over the Philadelphia 76ers to clinch the National Basketball Association championship for the Lakers, who prevail despite the absence of future Basketball Hall of Fame center Kareem Abdul-Jabbar.
May 18 – The 1980 eruption of Mount St. Helens volcano in Washington (state) kills 57 and causes US$3 billion in damage.
May 18 – 27 – Gwangju Uprising: Students in Gwangju, South Korea begin demonstrations, calling for democratic reforms.
May 20 – 1980 Quebec referendum: Voters in Quebec reject by a vote of 60%, a proposal to seek independence from Canada.
May 21 - The Empire Strikes Back, the 2nd of the projected 12 Star Wars films produced by George Lucas, is released in the United States.
May 22 – Pac-Man, the highest-earning arcade game of all time, is released in Japan.
May 25 – Indianapolis 500: Johnny Rutherford wins for a third time in car owner Jim Hall's revolutionary ground effect Chaparral car; the victory is Hall's second as an owner.
John Frum supporters in Vanuatu storm government offices on the island of Tanna. Vanuatu government troops land the next day and drive them away. In South Korea, military government forces and pro- democracy protesters clash; 2,000 protesters die.
May 28 – A fiery bus crash near the small village of Webb, Saskatchewan, claims 22 lives.  May 29 – Vernon Jordan is shot and critically injured in an assassination attempt in Fort Wayne, Indiana, by Joseph Paul Franklin (the first major news story for CNN).
July 1 – The State Rail Authority of New South Wales is founded.
July 8 – A wave of strikes begins in Lublin, Poland.
July 9 – Pope John Paul II visits Brazil; seven people are crushed to death in a crowd waiting to see him at afternoon Mass at the stadium in Fortaleza.
July 15 – Western Wisconsin Derecho: A severe and destructive thunderstorm strikes four counties in western Wisconsin, including the city of Eau Claire. It causes over $250 million in damage and one person is killed.
July 16 – Former California Governor and actor Ronald Reagan is nominated for U.S. president, at the 1980 Republican National Convention in Detroit. Influenced by the Religious Right, the convention also drops its long-standing support for the Equal Rights Amendment, dismaying moderate Republicans.
July 18 - India launches Rohini RS-1 Satellite using its own SLV rocket making India the 7th nation to launch satellites using its own rocket.
July 19 – Former Turkish Prime Minister Nihat Erim is killed by two gunmen in Istanbul, Turkey.
July 19 – August 3 – The 1980 Summer Olympics are held in Moscow, Soviet Union. 82 countries boycott the Games, athletes from 16 of them participate under a neutral flag.
July 25 – The album is released by the Australian band Back in Black AC/DC.
July 27 – Mohammad Reza Pahlavi, deposed Shah of Iran, dies in Cairo. July 30
Moscow Olympic Games on August 2, 1980
September 1 – Terry Fox is forced to end his Marathon of Hope run outside of Thunder Bay, Ontario, after finding out that the cancer has spread to his lungs.
September 2 – Ford Europe launches the Escort MK3, a new front-wheel drive hatchback.
September 3 – Zimbabwe breaks diplomatic and consular relations with South Africa, even though it maintains a commercial mission in Johannesburg.
September 5 – The Gotthard Road Tunnel opens in Switzerland as the world's longest highway tunnel at 16.3 kilometres (10.1 mi), stretching from Göschenen to Airolo beneath the Gotthard Pass.
September 11 – A referendum on a new constitution is held in Chile. A 67% of the ballots confirm the Constitution. The vote is held without electoral registers, opposition campaign and with electoral fraud.
September 12 – Kenan Evren stages a military coup in Turkey. It stops political gang violence, but begins stronger state violence leading to the execution of many young activists. 
September 17 – After weeks of strikes at the Lenin Shipyard in Gdańsk, Poland, the nationwide independent trade union Solidarity is established. 
September 21 – Bülent Ulusu, ex admiral, forms the new government of Turkey (44th government, composed mostly of technocrats). 
September 22 – The command council of Iraq orders its army to "deliver its fatal blow on Iranian military targets", initiating the Iran–Iraq War. 
September 30 – Digital Equipment Corporation, Intel and Xerox introduce the DIX standard for Ethernet, which is the first implementation outside of Xerox and the first to support 10 Mbit/s speeds. 
December 2 – A missionary ( Jean Donovan) and three Roman Catholic nuns ( Maura Clarke, Ita Ford, Dorothy Kazel), all Americans, are murdered by a military death squad in El Salvador while doing charity work during that country's civil war. 
December 8 – Murder of John Lennon: Mark David Chapman is arrested following the murder of English musician John Lennon, formerly of the Beatles, outside his New York City apartment building, The Dakota. 
December 11 – The Superfund for cleanup of toxic pollution sites is created, after CERCLA is enacted by the U.S. Congress.
December 14 – Four people are murdered and four others are injured by two armed robbers at Bob's Big Boy on La Cienega Boulevard in Los Angeles, in what is one of the city's most brutal crimes ever.
December 15 – The Academia de la Llingua Asturiana (Academy of the Asturian language) is created. December 16 – During a summit on the island of Bali, OPEC decides to raise the price of petroleum by 10%.