William McMillan, a delegate representing the Northwest Territory in Congress, served from 1799 to 1801. According to the search results, particularly from his Wikipedia page, McMillan declined renomination in 1800. The specific reasons for his decision are not detailed in the search results, but it can be inferred that personal, political, or other strategic considerations might have influenced his choice. McMillan's term ended on March 3, 1801, and he did not seek another term in Congress. For more detailed information, one could look into historical records or biographies that focus on his political career. The source for this information is William McMillan (congressman) - Wikipedia.
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In which year was William Henry Harrison a congressional delegate from the Northwest Territory?
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What contributions did William McMillan make as a United States Attorney?