According to Gregory calendar, on May 21, the day number in a year is 142 and if it is a leap year then the day number is 143. May 21 has a special significance in India and world history, because many such incidents have occurred on this day which have been recorded forever in the pages of history. Let's know some such important events which will increase your general knowledge. The facts collected will be as follows: People born on this day, demise of famous people, war treaty, freedom of any country, invention of new technologies, change of power, important National and International Day etc.

Important Historical Events of 21 May in the World ⚡

Event YearIncident/Event
1216Prince Louis of France entered England.
1403King Henry III of Castile sent an embassy to the court of Timur (Tamerlane), to discuss the possibility of an alliance between Timur and Castile against the Ottoman Empire.
1502João da Nova of Portugal discovered the island of St. Helena in the South Atlantic Ocean.
1674John III Sobieski, elected by Salazta, became Emperor of the Polish–Lithuanian Commonwealth.
1725The Order of Alexander Nevsky was founded in Russia by Empress Catherine I.
1819America's first bicycle fast walker) introduced in NYC.
1840New Zealand was declared a British colony.
1851Slavery ended in Columbia, South America.
1856A mob of about 800 pro-slavery Americans ransacked the town of Lawrence, Kansas.
1863The Seventh-day Adventist Church, a Protestant denomination emphasizing the coming Second Coming (Advent), was founded in Battle Creek, Michigan, US.
1864American Civil War—The Union and Confederate armies fought a draw at the Battle of Spot Sylvania Court House, with approximately 32,000 casualties.
1881Clara Barton founded the American Red Cross in Washington DC.
1881The American Red Cross was founded by Clara Barton.
1881US Nation Lawn Tennis Association was established.
1894The Manchester Ship Canal, connecting Greater Manchester in Northwest England to the Irish Sea, is officially opened, becoming the largest shipping canal in the world at the time.
1904The Fédération Internationale de Football Association, the governing body of association football sports, was founded in Paris.
1904The International Football Federation (FIFA), the highest football football body, was established in Paris.
1911Mexican President Porfirio Díaz and revolutionary Francisco Madero signed the Treaty of Ciudad Juárez, ending the fighting between the two men's forces, and thus ending the closing phase of the Mexican Revolution.
1917300 acres were destroyed in the 1917 Great Atlanta fire in the United States.
1918The US House of Representatives allowed women to vote.
1924University of Chicago students Richard Loeb and Nathan Leopold, Jr. Murdering a 14-year-old boy in a thrilling crime spree calls for a perfect crime.
1927The United Kingdom recognized the sovereignty of King Abdul Aziz over the kingdoms of Hejaz and Nejd by signing the Treaty of Jeddah on 20 May 1927. Hajjaj and Nejd were merged into the Kingdom of Saudi Arabia in 1932.
1927Embodying the spirit of St. Louis, American aviator Charles Lindbergh completes the first solo non-stop transatlantic flight, flyingfrom Roosevelt Field, from New York City to Paris - near Le Bourget airport.
1937North Pole-1, a Soviet and Russian manned station, became the first scientific research settlement to operate on the drift ice of the Arctic Ocean on May 21, 1937.
1946Manhattan Project physicist Louis Slotin accidentally triggers a fission reaction at Los Alamos National Laboratory and gives himself a lethal dose of hard radiation, making him the victim of a significant accident in history.
1948Chiang Kai-shek became the first President of the Republic of China on May 20, 1948. He was a member of the Kuomintang (KMT), the Chinese Nationalist Party, and served as chairman of the National Military Council of the Republic of China. 20 years.
1961John Malcolm Patterson, the governor of Alabama in the United States, declared martial law on May 21, 1961, in an attempt to restore order following the outbreak of riots during the American Civil Rights Movement.
1979Riots broke out in San Francisco (pictured here) when former Supervisor Dan White was sentenced only for the voluntary manslaughter of Mayor George Morson for the Pandey murders and openly gay Supervisor Herto Milk.
1981The Italian government released a membership list of Propaganda Due, an illegal pseudo-Masonic lodge that was implicated in many Italian crimes and mysteries.
1994Sushmita Sen won the 43rd Miss Universe Award.
1996The Lake Victoria ferry MV Bukoba sank in Tanzanian waters on Lake Victoria on May 21, 2015. 1000 people were killed in this disaster including Abu Ubaidah al-Banshiri who was second in command of al-Qaeda.
1996Algerian Civil War—The remains of seven French Trappist monks who were abducted in Algeria were found nearly two months ago.
1998Indonesian President Suharto resigns as a result of support for his three-decade-long reign.
2001The French Taubira law went into effect on May 21, 2001, officially abolishing the Atlantic slave trade and slavery and deemed it a crime against humanity.
2005The world's tallest roller coaster, Kingda Ka, opened on May 21, 2005 at Six Flags Great Adventure in Jackson, New Jersey, United States. It was also the fastest roller coaster until Formula Rossa opened in November 2010.
2010The Japan Aerospace Exploration Agency launched its spacecraft IKAROS aboard an H-IIA rocket from the Tanegashima Space Center in Japan on 21 May 2015. It was the first successful aircraft to demonstrate solar-sail technology in interplanetary space.
2012The earthquake in Italy killed 27 people.
2014The National September 11 Museum opened to the public on 21 May 2014, commemorating the 9/11 attacks by the terrorist group Al-Qaeda in 2001.
879Pope John VIII officially recognized Croatia as an independent, and Branimir as its duke.
996Pope Gregory V crowns Otto III as Holy Roman Emperor.

Important Historical Events of 21 May in India ⚡

Event YearIncident/Event
1758Mary Campbell was kidnapped by Lenape from her home in Pennsylvania during the French and Indian War.
1929India's first air cargo service commenced between the then Calcutta (now Kolkata) and Bagdogra.
1991Former Indian Prime Minister Rajiv Gandhi was assassinated on May 21, 1991, during an election campaign at Sriperumbudur near Madras (Chennai), Tamil Nadu. The assassinated LTTE suicide bomber was Tomozhi Rajaratnam, also known as Dhanu.
1991Former Prime Minister of India Rajiv Gandhi was assassinated by a suicide bomber in Sriperumbudur, Tamil Nadu.
1991Former Prime Minister of India Rajiv Gandhi was killed in a suicide bomb attack in Sriperumbudur in Tamil Nadu. The LTTE, an organization of Tamil rebels angry at sending peace forces to Sri Lanka, launched a suicide attack on Rajiv.

Important Days of 21 May National & International Days 🏁

Anti-Terrorism DayInternational Day
International Tea DayInternational Day
World Day for Cultural Diversity for Dialogue and DevelopmentInternational Day
Anti Terrorism DayNational Day
Montenegro Independence DayNational Day

Famous People's Birthdays on 21 May 😀

Birth YearName/Category/Country
1944Mary Robinson / Politician / Ireland
1905Priyadarshini Pradhan / Model / India
1927Ustad Sabri Khan / Musician / India
1931Sharad Joshi / Economist / India
1960Mohanlal / Actor / India
1974Aditi Gowitrikar / Actress / India
1983Kaveri Jha / Actress / India
1985Isa Tara Guha / Cricketer / India

See full list of famous people born on 21 may 🔗

This day in other months 📅

  Last update :  Wed 18 Jan 2023
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