שאלת גשמים SHEELAT GESHAMIM outside ארץ ישראל EREẒ YISRAʾEL began on this date for the last time.

ל׳ בחשוון ד׳תתקמ״ט30th of Ḥeŝvan, AM 4949

https://thisjewish.day/article/4949-08-30-%C5%9Deelat-ge%C5%9Damim-last-occurrence