June 18
edit1982: A subtropical storm struck eastern Florida, causing flooding and tornadoes which killed three people.
1993: Météo-France, the national meteorological institution for France, was founded.
2001: A tornado struck the small village of Siren, Wisconsin. Ironically, the community's only tornado siren was out of service, so many residents had no warning of the incoming storm. Three people were killed, and 16 injured.