Wikipedia:Selected anniversaries/March 22
March 22: Holi in Hinduism and Holy Saturday in Western Christianity (2008); World Day for Water.
- 238 – Because of his advanced age, both Gordian I and his son Gordian II were proclaimed Roman Emperors.
- 1622 – The Powhatan Confederacy under Chief Opchanacanough killed almost 350 English settlers around Jamestown, a third of the Colony of Virginia's population.
- 1765 – The Parliament of Great Britain passed the Stamp Act, adding fuel to the growing separatist movement in the Thirteen Colonies in British North America.
- 1784 – The Emerald Buddha of Thailand was installed at the Wat Phra Kaew on the grounds of the Grand Palace in Bangkok.
- 1849 – First Italian War of Independence: After capturing the fortress town of Mortara, forces led by Austrian General Joseph Radetzky von Radetz (pictured) routed Sardinian troops at the Battle of Novara.
- 1963 – Please Please Me, the first album recorded by The Beatles, was released.