On May 3, 1786, the first almshouse in Frederick (at Bentztown) was destroyed by fire.
On May 3, 1817, Father John McElroy, who would serve St. John The Evangelical Roman Catholic Church in Frederick from 1822 to 1845, and who oversaw the construction of the present church, was ordained.
On May 3, 1819, John Thomas Shaaff, who was born in Frederick County, and who founded the Medical Society of the District of Columbia while practicing medicine in Georgetown, died.
On May 3, 1952, McKendree Riley Etchison, longtime owner of Etchison Funeral Home, died at his residence at 11 West Second Street in Frederick, at age 87. He was born September 15, 1864, in Jefferson.