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Who knows three hundred and three?

?שלושה ושלוש מאות - מי יודע

In the spirit of the song "Echad - mi yodeya", please post interesting and significant Jewish facts about the number 303.

Lazy gematria on this one is not worth approaching.

Check out for the previous three hundred and two entries in this ongoing series.

Please include sources for your information wherever possible, as with all other answers on this site.

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July 3rd? [15ch – msh210 Oct 16 '12 at 15:43
up vote 2 down vote accepted

The year 5757 was the last year of cycle # 303 of the 19 year moon cycle.

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In the year 5303/1543 (which is 303 לפ"ק), R' Chaim Vital was born.

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Any source? The Wikipedia article you link to says only 1543, and the rabbi's article does the same, citing only a book that does the same again. Maybe he was born between Rosh Hashana and the end of the Julian year? – msh210 Jul 3 '12 at 20:30
This article gives the Hebrew year as 5303, but it does say circa. – b a Jul 3 '12 at 20:38

Reportedly, in a 1705 plague in Lesko, 303 Jews died.

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