The Simcha of a Siyum
A mishnah in Ta’anis declares that the most joyous holidays on the Jewish calendar are Yom Kippur and Tu B’Av. The Gemara says that Yom Kippur was joyous because the nation was forgiven for its sins.
Pesach
Using a siyum to exempt firstborns from the Erev Pesach fast, and what completed learning may be used for it.
A mishnah in Ta’anis declares that the most joyous holidays on the Jewish calendar are Yom Kippur and Tu B’Av. The Gemara says that Yom Kippur was joyous because the nation was forgiven for its sins.
The following questions were posed to Sar HaTorah Rav Chaim, zt”l. Rav Chaim wrote a letter regarding the publication of questions posed to him.
The Mishna at the end of Taanis (26b) quotes Rabban Shimon Ben Gamliel who declares that the most joyous holidays on the Jewish calendar are Yom Kippur and Tu B’Av.