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Home On This Day On This Day in History – 21 Tháng ba

What Happened on 21 Tháng ba?2006 – Jack Dorsey sends the world's first Twitter message, or tweetThe microblogging service revolutionized the communication and social networking landscape. In 2012, about 340 million tweets were posted per day.1985 – South African Police kill at least 21 black people commemorating a similar mass shooting 25 years beforeThe Sharpeville massacre in 1985 had left 69 unarmed people dead. It was a turning-point in the history of South Africa.1970 – Earth Day is celebrated for the first timeThe first edition was limited to some cities in the United States. Today, Earth Day is observed by about 1 billion people around the world.1952 – The world's first rock and roll concert is held in Cleveland, OhioDJ Alan Freed presented the concert, which was closed down after only one song because of over-crowding.1943 – A plot to assassinate Adolf Hitler by suicide bomb failsGerman Wehrmacht officer, Rudolf von Gersdorff, failed to blow up the dictator but managed to defuse his bombs just before they went off and avoid suspicion.

Births on 21 Tháng ba1980 – RonaldinhoBrazilian footballer1978 – Rani MukerjiIndian actress1960 – Ayrton SennaBrazilian race car driver1940 – Solomon BurkeAmerican singer-songwriter1806 – Benito JuárezMexican lawyer, politician, 25th President of Mexico

Deaths on 21 Tháng ba2013 – Chinua AchebeNigerian author, poet, academic2008 – Klaus DingerGerman guitarist, songwriter1843 – Guadalupe VictoriaMexican politician, 1st President of Mexico1656 – James UssherIrish archbishop1556 – Thomas CranmerEnglish Archbishop of CanterburyChange Date:
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- Alevitic New Year, Germany
- Benito Juárez's Birthday Memorial, Mexico
- Eid al-Fitr Holiday, Jordan
- Eid al-Fitr Holiday, United Arab Emirates
- Eid ul Fitr, Bangladesh, Brunei, Egypt, Indonesia, India, and 4 other places

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