Here is a promo for the first Jeep, and as near as we can tell, the first use of the word "Jeep" in any newspaper in America, from the Newark Advocate, March 16, 1936, by way of Newspapers.com. It's not talking about a 4x4 truck, of course, but Eugene the Jeep, the magical dog that appeared in 1936 in The Thimble Theater, starring Popeye, a daily comic strip by E.C. Segar, the creator of the original Popeye cartoon strip which appeared in hundreds of newspapers in the 1930s. After World War II, the Federal Trade Commission, in researching the history of the word "Jeep" as part of the trademark application by Willys-Overland for the name, determined that "Jeep" had originated with the cartoon strip.
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