Rabbi Moses ben Maimon, Talmudist, Halachist, physician, philosopher and communal leader, known in the Jewish world by the acronym "Rambam" and to the world at large as "Maimonides", passed away in Egypt on the 20th of Tevet in 1204.

Links: A brief biography; a lengthier bio; more

The first volume of the Babylonian Talmud, the tractate Berachot, was printed in Soncino, Italy, on the 20th of Tevet of the year 5244 from creation (1483)