Wikipedia:Selected anniversaries/February 21
February 21: Daeboreum in Korea and Lantern Festival in the Chinese lunar calendar (2008); Language Movement Day in Bangladesh, International Mother Language Day.
- 1613 – Mikhail I was elected unanimously by the Zemsky Sobor to become Tsar, beginning the Romanov dynasty in Imperial Russia.
- 1804 – Built by Cornish inventor Richard Trevithick, the first self-propelled steam engine or locomotive (replica pictured) first ran in Wales.
- 1848 – The Communist Manifesto by communist theorists Karl Marx and Friedrich Engels was first published, becoming one of the world's most influential political tracts.
- 1958 – British artist Gerald Holtom designed a logo for the Campaign for Nuclear Disarmament that became more commonly known as the peace symbol.
- 1971 – The Convention on Psychotropic Substances, a United Nations treaty designed to control psychoactive drugs, was signed at a conference of plenipotentiaries in Vienna.
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