Jewish History
Kislev 5 is the yahrtzeit (date of the passing) of Rabbi Shmuel Eliezer Eidels (1555-1631), known by the acronym "Maharsha". Rabbi Shmuel authored a highly regarded and widely used commentary on the Talmud and its primary commentaries, Rashi and Tosfot.
Link: Rabbi Shmuel Eliezer Eidels (Maharsha)