October 4[edit]

1869: The 1869 Saxby Gale, an Atlantic hurricane, killed more than 100 people around the Bay of Fundy.

1872: Servicio Meteorológico Nacional, the weather forecasting and data organization for Argentina, was founded under the name Oficina Meteorológica Argentina.

1949: A hurricane made landfall near Freeport, Texas, killing 2 people.

1963: Hurricane Flora struck southwestern Haiti, killing 5,000 people in that country alone.

2009: Tropical Storm Grace formed over the Azores. This was the furthest northeast formation of a tropical cyclone in recorded history.

2013: An intense storm system dropped up to 58 inches (150 cm) of snow in western South Dakota, and spawned several significant tornadoes elsewhere in the central United States.