May 13
- 1908 – An F4 tornado killed 49 people as it devastated of Gilliam, Bolinger, and Belcher. Only two homes remained standing in Gilliam, where 34 people died. Nine were killed on the south side of Bolinger and six died in one family near Belcher.
- 1980 – An F3 tornado moved through downtown Kalamazoo, Michigan, killing 5 people, injuring 79, and leaving 1,200 homeless.
- 1996 – A tornado struck the Jamalpur and Tangail Districts of Bangladesh, killing an estimated 700 people.