ABCs of Tisha B’Av & the Three Weeks by Rabbi Shraga Simmons The Jewish national period of mourning. » Click here for the complete Tisha B’Av section « View overview video: Crash Course on Tisha B’Av The “Three Weeks” between the 17th of Tammuz and the Tisha B’Av have historically been days of misfortune and calamity for the Jewish…