Passing of R. David Ibn Zimra (1574)
R. David ibn Zimra, known by the acronym Radvaz, was a great rabbi and scholar who led the Jewish communities of Egypt and Safed for sixty years. Radvaz was held in high esteem by his contemporaries, and is the author of 3000 responsa, covering a vast array of topics. Among his more famous students are R. Isaac Luria (the Ari) and R. Betzalel Ashkenazi (author of Shitah Mekubetzes). It is said that Elijah the Prophet revealed himself to him.
Link: Rabbi David Ibn Zimra