May 27 edit
1774: Francis Beaufort, inventor of the Beaufort scale for measuring wind force, was born in Ireland.
1896: A violent tornado tore through downtown Saint Louis, Missouri, killing at least 255 people.
1997: The Jarrell tornado completely wiped out the Double Creek Estates, killing 27 of 131 residents.
2018: For the second time in two years record flooding struck Ellicott City, Maryland.