April 6
edit1936: A violent tornado struck the town of Gainesville, Georgia, killing more than 200 people. This was the day after another tornado in Tupelo, Mississippi also killed more than 200 people.
2020: Cyclone Harold, one of the strongest tropical cyclones in history to strike Vanuatu, made landfall on Espiritu Santo with 10-minute maximum sustained winds of 115 knots (215 km/h; 130 mph).