Clue: Year the Second Crusade ended

Answer: MCIL

Length: 4

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Similar Clues:

• Oxford American Dictionary's 2012 word of the year, and the key to this puzzle's theme (GIF with 3 letters)
• Secondary theorem (LEMMA with 5 letters)
• 624-year rule that ended when Turkey became a republic (OTTOMANEMPIRE with 13 letters)
• Year in the reign of Theodoric the Great (DVI with 3 letters)
• It ended about 10,000 years ago (ICEAGE with 6 letters)
• Year that Acre fell in the First Crusade (MCIV with 4 letters)
• Year Theodore Roosevelt took office (MCMI with 4 letters)
• Mathematician Pierre whose "last theorem" took 358 years to prove (FERMAT with 6 letters)
• American theater for six years as of March 20, 2009 (IRAQ with 4 letters)
• Feature of this puzzle, and where the theme clues ought to have ended up (SPAMBOX with 7 letters)