Oregon's first lighthouse was built in 1855-1856 near the mouth of the Umpqua River, twenty-five miles north of Coos Bay. However, in 1861 the overflowing river undermined the brick tower, causing it to topple. By this time, the Coos Bay area had surpassed the Umpqua River region in commercial importance, and it was decided that the interests of commerce would be better served by a new light at Cape Arago, rather than reconstructing the light at Umpqua River. Funds were allocated accordingly, and November 1, 1866, the first Cape Arago Lighthouse was illuminated.
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