February 10 is the 41st day of the year in theGregorian calendar. There are 324 days remaining until the end of the year (325 in leap years).

• 1258 – Baghdad falls to the Mongols, and theAbbasid Caliphate is destroyed.

• 1306 – In front of the high altar of Greyfriars Church in Dumfries, Robert the Bruce murders John Comyn, his leading political rival, sparking revolution in the Scottish Wars of Independence

• 1798 – Louis Alexandre Berthier invades Rome, proclaims a Roman Republic onFebruary 15 and then on February 20 takes Pope Pius VI prisoner.

• 1863 – The fire extinguisher is patented.

• 1933 – The New York City-based Postal Telegraph Company introduces the firstsinging telegram.

• 1942 – Japanese submarine bombards Midway Atoll.

• 1962 – Captured American U2 spy-plane pilot Gary Powers is exchanged for captured Soviet spy Rudolf Abel.

• 1967 – The 25th Amendment to the United States Constitution is ratified.

• 2005 – North Korea announces that it possesses nuclear weapons.

• 2009 – The communication satellites Iridium 33 and Kosmos-2251 collide in orbit, destroying both.