Though the song existed for a good long while beforehand, it wasn't until March 3, 1931 that the Star Spangled Banner became the official anthem of the United States by order of a congressional resolution signed by Herbert Hoover.
In honor of this auspicious moment, we've composed a series of discounts and bonuses to keep you tanking through the weekend, enjoy!
Event Starts: 03:30 PST on March 1, 2013
Event Ends: 03:00 PST on March 4, 2013
VII T71 VII T25/2 VII T25 AT VII T20 VII T29 VI M12
V Ram II V T14 III M22 Locust II T2 Light Tank