On July 21, 1949, the North Atlantic Treaty was ratified by the US Senate.
Learn more about the history of NATO.
On July 21, 1949, the North Atlantic Treaty was ratified by the US Senate.
Learn more about the history of NATO.
Biological Weapons Convention goes into force
On March 26, 1975, the Convention on the Prohibition of the Development, Production and Stockpiling of Bacteriological (Biological) and Toxin Weapons and on their Destruction went into force. Today, 162 countries have signed the Convention, pledging never "to develop, produce, stockpile or otherwise acquire or retain" biological weapons. Some signatory nations, however, have reserved the right to hold certain biological weapons for "prophylactic" purposes. Learn more about the UN Biological Weapons Convention.
Justice Sandra Day O'Connor born
US Supreme Court Justice Sandra Day O'Connor was born in El Paso, Texas on March 26, 1930.
