20th of Sivan
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I noticed that the back of my siddur contains a section devoted to selichos for the 20th of Sivan, yet I have never davened in a shul that observed this day. What does this date commemorate?
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The Twentieth of Sivan
"I noticed that the back of my siddur contains a large section devoted to selichos for the 20th of Sivan. What does this date commemorate?" -
Should we say Selichot?
What is the halachic basis for mourning on the 20th day of Sivan, and why do we no longer observe it?