Statistics for occurrence #1 of “Territory of Indiana” in entry vincennes of Harper's Encyclopedia of United States History:

... afterwards a fort. With the surrender of Canada, Vincennes passed into the possession of the British, and on Feb. 26, 1779, it was captured from them by General Clark. On the organization of the Territory of Indiana in 1800 the town became the seat of government, and remained so till 1814, when a change was made to Corydon. On Sept. 6, 1814, it was incorporated as a borough, and on Feb. 13, 1856, was chartered...
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