TIL Alaska was never meant to be separated from the rest of the United States but would be linked when British Columbia also joined. Instead the Alaska Purchase compelled British Columbia to join the Canadian Confederation 3 months later.
The signing of the Alaska Treaty of Cessation on March 30, 1867. L-R: Robert S. Chew, William H. Seward, William Hunter, Mr. Bodisco, Eduard de Stoeckl, Charles Sumner and Frederick W. Seward. He insisted that by doing so, Russia would avoid any future conflict with the United States, viewing further U.S. expansion in North America as inevitable.