On March 12, 1999, the Czech Republic, Hungary, and Poland became the first former members of the Warsaw Pact join the North Atlantic Treaty Organization (NATO).

Read the NATO accession treaties for the Czech Republic, the Republic of Hungary, and the Republic of Poland.

On March 12, 1993, Janet Reno was sworn in as the first female US Attorney General. Learn more about Janet Reno from the US Department of Justice Attorney General's website as it stood on November 9, 2000.

Indian independence advocate Mahatma Gandhi and 78 others began a 3.5-week-long march to the Arabian Sea on March 12, 1930 to defy monopolistic colonial laws prohibiting the collection of salt by Indians. The demonstration exemplified Gandhi's strategy of Satyagraha. The march ended with thousands joining in in other cities, Gandhi being briefly jailed and then granted a seat at the 1930-1932 India Round Table Conference in London. Learn more about the Salt March.