November 20
- 1900 – A major tornado outbreak killed at least 77 people across the Southeastern United States. A long-lived family of tornadoes, the strongest of which was rated F4, killed at least 30 people in Mississippi and Tennessee, including 11 near Strayhorn, Mississippi and 15 on plantations in Tunica County, Mississippi. Another F4 tornado devastated the west side of Columbia, Tennessee, killing 27 people.