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In page Walla Walla, Washington:

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Tourists to Walla Walla are often told that it is a "town so nice they named it twice".[1] Some locals and Walla Walla natives often refer to the city in text form with "W2."[2] Walla Walla is a Native American name that means "Place of Many Waters" because the original settlement was at the junction of the Snake and Columbia rivers. The original name of the town was Steptoeville, named after Colonel Edward Steptoe.[3] In 1855 the name was changed to Waiilatpu,[4] and then by 1859 had been changed again, this time to the name it holds today. Walla Walla is humorously mentioned in the Three Stooges.