7 Cheshvan is the yahrzeit of Harav Shlomo Aron Kazarnovsky, who merited to be a chossid of 3 Rabbeim and one of the first Chabad Rabbonim in America. As a member of the board of Agudas Chasidei Chabad, he led the effort to find a suitable residence for the Frierdiker Rebbe in America.