Why Does February Only Have 28 Days?

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Why does February have 28 days when all the other months get 30 or 31? The answer is part superstition, part politics, and parts astronomy. (Basically, it's the Romans' fault)

Special thanks to Dr. Jen Ebbeler from the University of Texas Classics department for walking me through the history of the Roman calendar
REFERENCES AND FURTHER READING:

Wikipedia's "Roman Calendar" page is really good http://en.wikipedia.org/wiki/Roman_calendar
More:
http://penelope.uchicago.edu/Thayer/E/Roman/Texts/secondary/SMIGRA*/Calendarium.html
http://penelope.uchicago.edu/~grout/encyclopaedia_romana/calendar/romancalendar.html
http://penelope.uchicago.edu/~grout/encyclopaedia_romana/calendar/intercalation.html


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