Oslo, in the northwestern corner of Hansford County, was founded in 1908 by the Anders L. Mordt Land Company. Mordt, who immigrated to the United States from Norway in 1904, established his company headquarters in Guymon, Oklahoma. He became a sales agent for the ranch holdings of R. M. Thomson and R. T. Anderson in Hansford County, Texas, and placed advertisements in several leading Norwegian-language publications in the Midwest, including the Skandinaven, edited by his father-in-law, Nicolay A. Grevstad. Mordt arranged for potential buyers to make excursions by train to the site he named Oslo after the Norwegian capital. Norwegians throughout the midwestern states quickly responded to Mordt's ads, and by the spring of 1909 the first settlers had arrived. The first building was a schoolhouse, which doubled for a time as a church and community meetingplace. Pastor Christian Heltne of the United Norwegian Lutheran Church organized a congregation in December of that year, and under his leadership they built a wooden church building in 1911. A copper bell and altar painting were commissioned and shipped from Norway, but the bell went down with the Titanic. As part of his promotional campaign, Mordt published a weekly paper in the Norwegian language, the Oslo Posten, from his headquarters in Guymon. He platted a townsite three miles south of the church and named the streets. However, the town was doomed by the failure of the Denver and Gulf Railroad Company to build a line through the area. A prolonged drought beginning in 1913 resulted in the end of Mordt's land scheme.

Adapted from the official Handbook of Texas, a state encyclopedia developed by the Texas State Historical Association (TSHA). It is an authoritative source of trusted historical records.

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