Historical re-enactors dressed as 1812-era French horsemen ride during a reenactment of the French Invasion of Russia in 1812, during celebrations to mark the Russian Orthodox Christmas in St.Petersburg, Russia,
Monday, Jan. 7, 2013. Christmas falls on Jan. 7 for Orthodox Christians
who rely on the old Julian calendar rather than the Gregorian calendar
adopted by Catholics and Protestants and commonly used in secular life
around the world. Source: AP Photo / Dmitry Lovetsky
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