April 30: End of the Southern Hemisphere tropical cyclone seasons except for the Mauritius and Seychelles region[edit]

1054: The first known European tornado affected Rosdalla, near Kilbeggan, Ireland.

1924: Dozens of deadly tornadoes killed 111 people across the Southeastern United States, including one F4 tornado which killed 53 people in South Carolina over a 105-mile (169 km) path.