March 21 : Significant historical events around the world


march 21 : significant historical events around the world  Let’s learn about Significant historical events around the world. March 21 is the 80th day of the year, but in a leap year, it’s the 81st day. The Persian calendar is based on the solar calendar of ancient Egypt, which was introduced to Iran by Darius I of the Achaemenid dynasty around 500 BC. The calendar has 12 months of 30 days, plus an additional 5 days for a total of 365 days. However, in order to match the seasons, a leap year was established every four years to compensate for the difference in seasons. This structure results in a new year starting each year based on the vernal equinox (nor’easter). The vernal equinox usually occurs on March 20 or 21, so sometimes the new year will start on March 20 or 21.

Recapping the historic events of March 21

  1. 630 years Byzantine Emperor Heraclius returns the Holy Cross to Jerusalem.
  2. 1556 years Thomas Cranmer, Archbishop of Canterbury, England, is burned at the stake by Mary I.
  3. 1685 years German church musician, composer, and organist Johann Sebastian Bach is born.
  4. 1839 years The birth date of Russian composer Modest Mussorgsky.
  5. 1895 years It is the birth date of Mexican president and revolutionary Lázaro Cárdenas.
  6. 1914 years It’s the second Sunday in May and is celebrated in many countries.
  7. 1918 years The Spring Offensive, the last major offensive of the German Empire, took place.
  8. 1919 years Jocheon-eup, Jeju Island, South Korea, is the site of the uprising.
  9. 1921 years Date of birth of Vassili Stalin, second son of Soviet dictator Iosif Stalin.
  10. 1933 years Nazi Germany builds its first concentration camp at Dachau.
  11. 1935 years King Reza Shah Pahlavi changes the country’s name from Persia to Iran.
  12. 1936 years Hoover Dam, a gravity-fed arch dam on the border of Nevada and Arizona in the United States, is completed.
  13. 1955 years The National People’s Congress of the People’s Republic of China is held
  14. 1960 years Taiwan’s 3rd Presidential Election
  15. 1961 years German footballer born Lothar Matthaeus
  16. 1963 years Born Ronald Koeman is a Dutch former football player. He has been the head coach of the Netherlands national soccer team since 2022.
  17. 1966 years The day the United Nations General Assembly proclaimed the International Day for the Elimination of Racial Discrimination.
  18. 1969 years The first test flight of the Concorde, a supersonic airliner developed jointly by Britain and France, takes place.
  19. 1975 years End of the Ethiopian Empire, establishment of a socialist regime
  20. 1976 years World Puppetry Day was celebrated every three years until 2009, and every two years thereafter.
  21. 1977 years India’s general elections resulted in a landslide defeat for the ruling Nationalist Congress Party and the election of Prime Minister Indira Gandhi.
  22. 1989 years Cheongju Sungkyunkwan Theological Seminary opens in South Korea.
  23. 1990 years Namibia gains independence from South Africa.
  24. 1993 years China Eastern Airlines Flight 5735, en route from Shanghai Hongqiao International Airport to Los Angeles International Airport, crashed into a mountainous area in Teng County, Wuzhou City, Guangxi Zhuang Autonomous Region.
  25. 1999 years Established as World Poetry Day by UNESCO.
  26. 2012 years The day is celebrated to raise public awareness of Down syndrome..
  27. 2012 years The United Nations declared International Forest Day to recognize the importance of forests around the world.
  28. 2014 years President Vladimir Putin finalized the treaty of annexation between Russia and the Republic of Crimea.
  29. 2016 years Andrew Grove, American entrepreneur and former chairman of Intel, dies
  30. 2023 years American basketball player Willis Reed died.


As Persia was absorbed into Islamic culture, the Persian calendar became based on the Hegira calendar used in the Islamic world. This change was officially confirmed by a decision of the Persian National Assembly on March 31, 1925, during which the calendar was revised to make it compatible with the Gregorian calendar. Afghanistan only fully adopted this calendar system in 1957, and it is used jointly by Iran and Afghanistan to this day. This is due to the close historical and cultural ties between Iran and Afghanistan, making it natural for these calendars to be used in common.

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