May 1

International Labour Day
International Workers' Day (also known as May Day) is a celebration of the international labour movement and left-wing movements. It commonly sees organized street demonstrations and marches by working people and their labour unions throughout most of the world. May 1 is a national holiday in more than 80 countries. It is also celebrated unofficially in many other countries.

Maharashtra Din (Diwas)

May 1

Events
305 – Diocletian and Maximian retire from the office of Roman Emperor.
880 – The Nea Ekklesia is inaugurated in Constantinople, setting the model for all later cross-in-square Orthodox churches.
1328 – Wars of Scottish Independence end: Treaty of Edinburgh-Northampton – the Kingdom of England recognises the Kingdom of Scotland as an independent state.
1576 – Stefan Batory, the reigning Prince of Transylvania, marries Anna Jagiellon and they become the co-rulers of the Polish-Lithuanian Commonwealth.
1707 – The Act of Union joins the Kingdom of England and Kingdom of Scotland to form the Kingdom of Great Britain.
1751 – The first cricket match is played in America.
1753 – Publication of Species Plantarum by Linnaeus, and the formal start date of plant taxonomy adopted by the International Code of Botanical Nomenclature.
1759 – Josiah Wedgwood founds the Wedgwood pottery company in Great Britain.
1776 – Establishment of the Illuminati in Ingolstadt (Upper Bavaria), by Jesuit-taught Adam Weishaupt.
1778 – American Revolution: The Battle of Crooked Billet begins in Hatboro, Pennsylvania.
1785 – Kamehameha I, the king of Hawaiʻi, defeats Kalanikupule and establishes the Kingdom of Hawaiʻi.
1786 – Opening night of the opera The Marriage of Figaro by Wolfgang Amadeus Mozart in Vienna, Austria.
1794 – War of the Pyrenees: The Battle of Boulou ends, in which French forces defeat the Spanish and regain nearly all the land they lost to Spain in 1793.
1840 – The Penny Black, the first official adhesive postage stamp, is issued in the United Kingdom.
1844 – Hong Kong Police Force, the world's second modern police force and Asia's first, is established.
1846 – The few remaining Mormons left in Nauvoo, Illinois, formally dedicate the Nauvoo Temple.
1851 – Queen Victoria opens the Great Exhibition in London.
1852 – The Philippine peso is introduced into circulation.
1862 – American Civil War: The Union Army completes the Capture of New Orleans.
1863 – American Civil War: The Battle of Chancellorsville begins.
1865 – The Empire of Brazil, Argentina and Uruguay sign the Treaty of the Triple Alliance
1869 – The Folies Bergère opens in Paris.
1875 – Alexandra Palace reopens after the 1873 fire burnt it down.
1884 – Proclamation of the demand for eight-hour workday in the United States.
1884 – Moses Fleetwood Walker became the first black person to play in a professional baseball game in the United States.
1885 – The original Chicago Board of Trade Building opened for business.
1886 – Rallies are held throughout the United States demanding the eight-hour work day culminating in the Haymarket Affair.
1893 – The World's Columbian Exposition opens in Chicago.
1894 – Coxey's Army, the first significant American protest march, arrives in Washington, D.C.
1898 – Spanish-American War: The Battle of Manila Bay – the United States Navy destroys the Spanish Pacific fleet in the first battle of the war.
1900 – The Scofield mine disaster kills over 200 men in Scofield, Utah in what is to date the fifth-worst mining accident in United States history.
1901 – The Pan-American Exposition opens in Buffalo, New York.
1915 – The RMS Lusitania departs from New York City on her two hundred and second, and final, crossing of the North Atlantic. Six days later, the ship is torpedoed off the coast of Ireland with the loss of 1,198 lives, including 128 Americans, rousing American sentiment against Germany.
1925 – The All-China Federation of Trade Unions is officially founded. Today it is the largest trade union in the world, with 134 million members.
1925 – The first Ritual of the Calling of an Engineer is held at the University of Toronto, Canada.
1927 – The first cooked meals on a scheduled flight are introduced on an Imperial Airways flight from London to Paris.
1927 – The Union Labor Life Insurance Company is founded by the American Federation of Labor.
1930 – The dwarf planet Pluto is officially named.
1931 – The Empire State Building is dedicated in New York City.
1933 – The Roca-Runciman Treaty between Argentina and Great Britain is signed by Julio Argentino Roca, Jr., and Sir Walter Runciman.
1940 – The 1940 Summer Olympics are cancelled due to war.
1941 – World War II: German forces launch a major attack on Tobruk.
1944 – 200 Communist prisoners are shot by the Germans at Kaisariani in Athens as reprisals for the killing of General Franz Krech by partisans at Molaoi
1945 – World War II: A German newsreader officially announces that Adolf Hitler has "fallen at his command post in the Reich Chancellery fighting to the last breath against Bolshevism and for Germany". The Soviet flag was raised over the Reich Chancellery, by order of Stalin.
1945 – World War II: Joseph Goebbels and his wife Magda commit suicide in the Reich Garden outside the Führerbunker. Their children are murdered by Magda by having cyanide pills inserted into their mouths.
1945 – The Yugoslav partisans free Trieste.
1946 – Start of 3 year Pilbara strike of Indigenous Australians.
1946 – The Paris Peace Conference concludes that the islands of the Dodecanese should be returned to Greece by Italy.
1947 – Portella della Ginestra massacre against May Day celebrations in Sicily by the bandit and separatist leader Salvatore Giuliano; 11 persons are killed and 33 wounded.
1948 – The Democratic People's Republic of Korea (North Korea) is established, with Kim Il-sung as leader.
1950 – Guam is organized as a United States commonwealth.
1956 – The polio vaccine developed by Jonas Salk is made available to the public.
1956 – A doctor in Japan reports an "epidemic of an unknown disease of the central nervous system", marking the official discovery of Minamata disease.
1957 – 34 of 35 people aboard are killed when a Vickers Viking airliner crashed in Hampshire England.
1960 – Formation of the western Indian states of Gujarat and Maharashtra.
1960 – Cold War: U-2 incident – Francis Gary Powers, in a Lockheed U-2 spyplane, is shot down over the Soviet Union, sparking a diplomatic crisis.
1961 – The Prime Minister of Cuba, Fidel Castro, proclaims Cuba a socialist nation and abolishes elections.
1965 – Battle of Dong-Yin, a naval conflict between ROC and PRC, takes place.
1970 – Protests erupt in Seattle, Washington, following the announcement by U.S. President Richard Nixon that U.S. Forces in Vietnam would pursue enemy troops into Cambodia, a neutral country.
1971 – Amtrak (the National Railroad Passenger Corporation) takes over operation of U.S. passenger rail service.
1974 – The Argentine terrorist organization Montoneros is expulsed from Plaza de Mayo by president Juan Perón.
1977 – 36 people are killed in Taksim Square, Istanbul, during the Labour Day celebrations.
1978 – Japan's Naomi Uemura, travelling by dog sled, becomes the first person to reach the North Pole alone.
1982 – The 1982 World's Fair opens in Knoxville, Tennessee.
1982 – French Canadian Formula One driver Gilles Villeneuve is killed during practice in the 1982 Belgian Grand Prix at Zolder.
1982 – Operation Black Buck: The Royal Air Force attacks the Argentine Air Force during Falklands War.
1983 – Greek composer Mikis Theodorakis is awarded the Lenin Peace Prize.
1987 – Pope John Paul II beatifies Edith Stein, a Jewish-born Carmelite nun who was gassed in the Nazi concentration camp at Auschwitz.
1989 – Disney-MGM Studios opens at Walt Disney World near Orlando, Florida, United States.
1990 – The former Philippine Episcopal Church (supervised by the Episcopal Church of the United States of America) is granted full autonomy and raised to the status of an Autocephalous Anglican Province and renamed the Episcopal Church of the Philippines.
1991 – Rickey Henderson of the Oakland Athletics steals his 939th base, making him the all-time leader in this category. However, his accomplishment is overshadowed later that evening by Nolan Ryan of the Texas Rangers, when he pitches his seventh career no-hitter, breaking his own record.
1994 – Three-time Formula One world champion Ayrton Senna is killed in an accident during the San Marino Grand Prix at Imola.
1995 – Croatian forces launch Operation Flash during the Croatian War of Independence.
1999 – Body of British climber George Mallory found on Mount Everest, 75 years after his disappearance in 1924.
2001 – Philippine President Gloria Macapagal-Arroyo declares the existence of "a state of rebellion", hours after thousands of supporters of her arrested predecessor, Joseph Estrada, storm towards the presidential palace at the height of the EDSA III rebellion.
2003 – 2003 invasion of Iraq: In what becomes known as the "Mission Accomplished" speech, on board the USS Abraham Lincoln (off the coast of California), U.S. President George W. Bush declares that "major combat operations in Iraq have ended".
2004 – Cyprus, Czech Republic, Estonia, Hungary, Latvia, Lithuania, Malta, Poland, Slovakia, and Slovenia join the European Union, celebrated at the residence of the Irish President in Dublin.
2006 – The Puerto Rican government closes the Department of Education and 42 other government agencies due to significant shortages in cash flow.
2007 – The Los Angeles May Day mêlée occurs, in which the Los Angeles Police Department's response to a May Day pro-immigration rally become a matter of controversy.
2008 – The London Agreement on translation of European patents, concluded in 2000, enters into force in 14 of the 34 Contracting States to the European Patent Convention.
2009 – Same-sex marriage is legalized in Sweden.
2011 – Pope John Paul II is beatified by his successor, Pope Benedict XVI.
2011 – Barack Obama announces that Osama bin Laden, the suspected mastermind behind the September 11 attacks is killed by United States special forces in Islamabad, Pakistan. Due to the time difference between the United States and Pakistan, Osama bin Laden was killed on May 2 in Pakistan.

Holidays and observances

Beginning of Summer observances (see April 30):
Beltane (Gaelic folklore, Neopagan Wheel of the Year)
Walpurgis Night, celebrated before dawn (Central and Northern Europe)
Christian Feast Day:
Augustin Schoeffer
Andeolus
Brioc
James the Less
Memorial of Saint Joseph the Worker (Roman Catholic optional feast)
Philip the Apostle
Sigismund of Burgundy
Walpurga (canonization)
May 1 (Eastern Orthodox liturgics)
Constitution Day (Marshall Islands)
Commemoration of the states of Maharashtra and Gujarat following the foundation of Samyukta Maharashtra Samiti (India):
Gujarat Day
Maharashtra Day
Earliest day on which National Day of Prayer can fall, while May 7 is the latest; celebrated on the first Thursday in May. (United States)
Festival in honor of Bona Dea (Roman Empire)
International Workers' Day (International), and its related observances:
EuroMayDay (Western Europe)
Labour Day
Law Day, U.S.A., formerly intended to counterbalance the celebration of Labor Day. (United States)
Loyalty Day, formerly intended to counterbalance the celebration of Labor Day. (United States)
May Day, a term also used for the beginning of summer celebration.
Lei Day (Hawaii)
International Sunflower Guerrilla Gardening Day

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