February 23

Mashramani-Republic Day (Guyana)
National Day (Brunei)
Red Army Day or Day of Soviet Army and Navy in the former Soviet Union, also held in various former Soviet republics:
Defender of the Fatherland Day (Russia)
Terminalia held in honor of Terminus (Ancient Rome)

Events February 23

1887 – The French Riviera is hit by a large earthquake, killing around 2,000.
1896 – The Tootsie Roll is invented.
1941 – Plutonium is first produced and isolated by Dr. Glenn T. Seaborg.
1947 – The International Organization for Standardization (ISO) is founded.
1998 – In the United States, tornadoes in central Florida destroy or damage 2,600 structures and kill 42.
1998 – Osama bin Laden publishes a fatwa declaring jihad against all Jews and "Crusaders"; the latter term is commonly interpreted to refer to the people of Europe and the United States.
1999 – An avalanche destroys the Austrian village of Galtür, killing 31.
2010 – Unknown criminals pour more than 2.5 million liters of diesel oil and other hydrocarbons into the river Lambro, in Northern Italy, causing an environmental disaster.

For details, contact Datacentre