Wikipedia:Selected anniversaries/February 21

February 21: Language Movement Day in Bangladesh, International Mother Language Day; Ash Wednesday in Western Christianity (2007).

• 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 (replica pictured) first ran in Wales.

• 1952 - Protesters in Dhaka, East Pakistan walked into military crossfire demanding the establishment of the Bengali language as an official language.

• 1971 - The Convention on Psychotropic Substances, a United Nations treaty designed to control psychoactive drugs, was signed at a conference of plenipotentiaries in Vienna.

Recent days: February 20 – February 19 – February 18

More anniversaries:

• January 31
• February 1
• February 2