https://www.hebcal.com/holidays/taanit-bechorot-2093
Ta'anit Bechorot 2093 - Fast of the First Born - Hebcal
Fast of the First Born. Ta’anit Bechorot occurs at dawn on 10-Apr-2093
the first bornanitfast
https://www.hebcal.com/holidays/taanit-bechorot-1924?i=on
Ta'anit Bechorot 1924 - Fast of the First Born - Hebcal
Fast of the First Born. Ta’anit Bechorot occurred on 18-Apr-1924
the first bornanitfast