1240s
Sign in to saveThe 1240s was a decade of the Julian Calendar which began on January 1, 1240, and ended on December 31, 1249.
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The 1240s refers to the ten-year period from 1240 to 1249 in the Julian Calendar system that was used in Europe at that time. This decade is historically significant as a period when major events occurred across politics, religion, science, and culture, though specific details would depend on which regions and events are most relevant to your interests.
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- Significant people
- References
The 1240s was a decade of the Julian Calendar which began on January 1, 1240, and ended on December 31, 1249.
==Significant people== Fibonacci. Fibonacci sequence and Liber Abbaci