Centuries: 14th century BC - 13th century BC - 12th century BC
Decades: 1290s BC 1280s BC 1270s BC 1260s BC 1250s BC - 1240s BC - 1230s BC 1220s BC 1210s BC 1200s BC 1190s BC
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1240s_BC (http://en.wikipedia.org/wiki/1240s_BC)
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