Wikipedia:Selected anniversaries/March 20
March 20: Vernal equinox (Northern Hemisphere) and Autumnal equinox (Southern Hemisphere) at 18:26 UTC, Norouz (New Year) in Iran, International Earth Day (2006); Independence Day in Tunisia (1956).
- 1602 - The Dutch East India Company was established.
- 1852 - Uncle Tom's Cabin, a novel by Harriet Beecher Stowe (pictured) about slavery in the United States before the Civil War, was first published.
- 1883 - The Paris Convention for the Protection of Industrial Property, one of the first intellectual property treaties, was signed.
- 1987 - The antiretroviral drug AZT became the first antiviral medication approved for use against HIV and AIDS.
- 1995 - The Aum Shinrikyo sect carried out a poison gas attack on the Tokyo subway system, killing 12 people and injuring more than 6,000 with sarin.
Recent days: March 19 – March 18 – March 17
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