Who knows two hundred sixty?
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 and relevant answers.
Accept the "best" answer.
Move on to the next number.
Sancheriv's army, when he attempted to conquer Yerushalayim, consisted of 260 myriad thousand (2.6 billion!) soldiers "minus one" - about which Abaye is uncertain whether this means one myriad (in which case this would have been a good answer for 259), one thousand, one hundred, or one individual.
In 1908, approximately 260,000 school-age Jewish kids in America received no formal Jewish education at all. Source: Samson Benderly, as quoted in Jewish Philanthropy, a 1917 book by Boris D. Bogen.