Waldorf, Maryland General Assembly of Maryland by an act changed the name to "Waldorf" in honor of William Waldorf Astor (1848–1919), the great-grandson of John Jacob Astor (1763–1848), who was born in Walldorf, Palatinate, Germany. On July 29, 1908, the city of Plumb Valley in Waseca County, Minnesota, changed its name to Waldorf after Waldorf, Maryland. Once a tobacco market village, Waldorf came to prominence in the 1950s as a gambling destination after slot machines were legalized in Charles County in 1949. The boom lasted until 1968 when gambling was once again outlawed. Its subsequent substantial growth as a residential community began
Waldorf Astor, 2nd Viscount Astor as Viscount Astor. Upon the death of his father in October 1919, Waldorf Astor succeeded to the viscountcy and became the 2nd Viscount Astor despite Waldorf's attempts to disclaim the title. Now a member of the House of Lords, Astor was forced to forfeit his seat in the House of Commons, though he remained active in the government. The seat was won subsequently in a by-election by Astor's wife Nancy, who became the second woman elected to the House of Commons and the first woman to take her seat in the House, after the first woman elected, Constance Markievicz, had