Today, on the 4th of Av, is the Yahrtzeit of Rabbi Benzion Halberstam, the Kedushas Tzion (1874-1941).

The 2nd Bobover Rebbe. He was murdered together with 20,000 Jews after being forced to dig a mass grave in a forest outside of Lvov (Lemberg).

Mechaber of the Kedushas Tzion.