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 paper. Astor convinced his father to purchase the paper, which William did on the condition that Garvin also agree to edit the "Pall Mall Gazette", which was also a property of the Astor family. Though his father provided the funds, it was Waldorf who was in charge of the paper, and he developed a harmonious working relationship with Garvin. William formally turned over ownership of both papers to his son in 1915, who promptly sold the "Pall Mall Gazette" but retained ownership of "The Observer". Like many of his class, Astor joined the army at the start of the First