1 Elul

From this day until the evening before Rosh Hashana, the shofar is blown after morning prayers, and many communities include special prayers afterward.

Today is the "new year" for trees.

Persian Jews make annual pilgrimage to the tomb of Serach, the daughter of Asher. (Numbers 26:46, 1 Chronicles 7:30)

c 1477 BCE- The Egyptians were punished with kinim [lice? pests?] the third plague.  (Exodus 8:17)

c 517 BCE- Haggai the prophet received his first prophecy, telling Zerubbabel to rebuild the Holy Temple.  (Haggai 1:1-2)

838- An army led by Shmuel Hanagid destroyed the army of Abu Abbas. This day was observed as a Yom Tov by Shmuel Hanagid and his descendants.

1391- The Jews of Palma, Spain were massacred.

1400-  Anti-Jewish riots claimed 77 lives in Prague.