Wikipedia:Selected anniversaries/February 21
February 21: International Mother Language Day; Presidents' Day in the United States and Family Day in Alberta (2005)
- 1613 - Mikhail I was elected unanimously by the Zemsky Sobor to become Tsar, beginning the Romanov dynasty in Imperial Russia.
- 1804 - Built by Richard Trevithick, the first self-propelled steam engine or locomotive first ran in Wales.
- 1848 - The Communist Manifesto by Karl Marx and Friedrich Engels was first published.
- 1952 - Protesters in Dhaka, East Pakistan walked into military fire in demand of the establishment of the Bengali language as an official language.
- 1965 - Black nationalist Malcolm X was assassinated in New York City by members of the Nation of Islam.
Recent days: February 20 – February 19 – February 18