In Jewish history

* 1 Iyar (1788) - Death of Rabbi Menachem Mendel of Vitebsk.
* 2 Iyar (1834) - Birth of the Rebbe Maharash, 4th Chabad Rebbe.
* 4 Iyar (1165) - Maimonides survives a fierce storm at sea while fleeing from the Islamic persecution in Fez. From