Pioneer Day

noun

Definition of Pioneer Day 

1 : July 24 observed as a legal holiday in Utah in commemoration of the arrival of Brigham Young on the present site of Salt Lake City in 1847

2 : June 15 formerly observed as a legal holiday in Idaho as the anniversary of the acceptance of the Oregon treaty by the president and the senate in 1846

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pioneer

Pioneer Day

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pioneer tunnel

pioner

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