- Feb 1 German Großadmiral Alfred von Tirpitz announces unlimited submarine war
Event of Interest
Feb 3 US liner Housatonic is sunk by German submarine, on the same day that US President Woodrow Wilson breaks off diplomatic relations with Germany

Woodrow Wilson
Event of Interest
Feb 5 The last of the American troops commanded by General John Pershing leave Mexico; President Carranza will be assassinated within the next year

John J. Pershing
- Feb 15 San Francisco Public Library (Main Branch at Civic center) dedicated
- Feb 16 1st synagogue in 425 years opens in Madrid
- Feb 17 In Australia, Nationalist Party takes over a coalition government
- Feb 18 1st major strike of the Russian "February Revolution" starts at the giant Putilov factory in Petrograd [NS=Mar 3]
Music Premiere
Feb 20 Jerome Kern, Guy Bolton & P.G. Wodehouse's musical "Oh, Boy!" premieres in New York

Jerome Kern
- Feb 21 British troopship SS Mendi sinks off Isle of Wight, 646 die
- Feb 22 German Navy torpedoes 7 Dutch ships
- Feb 24 German plan to get Mexican help in WW I exposed (Zimmerman telegram)
- Feb 24 Red Sox sell Smokey Joe Wood, his arm dead at 26, to Cleve for $15,000
- Feb 26 1st jazz records recorded - "Dixie Jazz Band One Step" and "Livery Stable Blues" by Original Dixieland Jass Band for the Victor Talking Machine Company
Event of Interest
Feb 26 Russian February Revolution: Tsar Nicolas II orders army to quell civil unrest in Petrograd - army mutinies [NS Mar 11]

Nicholas II