Tisha B'Av תשעה ב'אב
Tisha B'Av (the ninth of Av), is a day of mourning commemorating the destruction of the Jerusalem Temple and other tragic moments in the history of the Jewish people.
Links to more information on Tisha B’Av and various articles of interest may be found below.
Summary from “My Jewish Learning”
Tisha B’Av Rituals and Customs
Academic articles on Tisha B’Av
Question: With the founding of a Jewish State in the Land of Israel - should we continue to fast on holidays that commemorate the destruction of the ancient Temple?
Responsa (Jewish legal opinion)