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Who knows two hundred seventy?

Please cite/link your sources, if possible.

At some point between twenty-four hours and a few days from now, I will:

  • Vote up all interesting, relevant answers.

  • Accept what I consider the "best" answer.

  • Move on to the next number.

To those who like this series, sorry about the hiatus.

Lazy gematria for today is either awake or bad.

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Being new to this series, I'm wondering, just how far can we stretch the number? Gematria? At-Bash? Achas-Betah? English calendar years? abbreviations? –  HodofHod Sep 15 '11 at 2:50
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@HodofHod, people have done all sorts of things. Personally, I don't like gimatriyaos unless they are sourced (by e.g. the Baal Haturim, i.e., don't just find some word that happens to have the right gimatriya), but I know others differ. I personally have answered one or two of these with Christian calendar years, but really didn't like to, and I seem to recall those answers didn't get many up-votes. But do what you want, I guess, and glean from the votes and comments how much people like them, for future reference. –  msh210 Sep 15 '11 at 4:11
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6 Answers 6

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Wow, this is tough! ummm.... Number of Synagogues in the US in 1880? http://www.spartacus.schoolnet.co.uk/USAEjews.htm

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As mentioned in this answer:

The Chinuch calculates that there are 270 Mitzvot (48 Positive and 222 Negative) that are always applicable during exile, without needing a specific situation in order to obligate oneself (there are an additional 99 that are also applicable during exile, but only situationally). The mnemonic for this is "‫אני‬ ‫ישנה ולבי ע״ר‬" [I'm asleep but my heart is awake - in other places it explains that this refers to exile, that even while in a state of sleep (i.e. exile) we still do (at least) 270 Mitzvot]

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The big earthquake in Turkey in August of 1912 destroyed 270 "Jewish houses" (presumably houses of Jews) in Gallipoli, according to The American Jewish Year Book.

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Gabriel Wilensky reports that there was a 1421 decree against Jews issued in Vienna which resulted in the burning of 270 Jews, הי״ד, at the stake.

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Wikipedia http://en.wikipedia.org/wiki/270_%28number%29 has (amongst others) 270 = The average number of days in human pregnancy. If "tisho yarchei leido" was good enough for echod mi yodeya ....

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+1 for "If..."! –  msh210 Sep 18 '11 at 19:39
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I haven't been able to find any other sources corroborating this number. Most either give a range or say 280 (= 40 weeks). –  Isaac Moses Sep 23 '11 at 13:59
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במדבר: ג. מג. ויהי כל בכור זכר במספר שמת מבן חדש ומעלה לפקדיהם שנים ועשרים אלף שלשה ושבעים ומאתים

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So you're... taking the number modulo 1000 and rounding it to the nearest 10. –  msh210 Sep 14 '11 at 20:03
    
msh210 - if you have a better answer please post. –  Gershon Gold Sep 15 '11 at 0:03
    
GershonGold: Touche! :-) –  msh210 Sep 15 '11 at 0:04
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