It was here [Alki Point], on the rainy morning of November 13, 1851, that a group of 10 adults and 12 children disembarked from the schooner Exact.
The Denny Party landed at Alki Point November 13, 1851, and platted a settlement of six blocks of eight lots, calling the settlement “New York Alki”.
New York-Alki was the site of the first settlement in Seattle. Here on November 13, 1851 the first settlers arrived. Finding a site up the Sound more attractive most everyone moved to help found the City of Seattle.(Meany, p. 4).
https://github.com/davepinch/pinchy.cc/blob/master/content/sites/historylink.org/File/7045.snippet-6-2-1.md
But as soon as two drops of blood have thus passed, one into each of the cavities, these drops which cannot but be very large, because the orifices through which they pass are wide, and the vessels from which they come full of blood, are immediately rarefied, and dilated by the heat they meet with.
Seattle’s Early Donation Land Claims (historylink.org) This essay summarizes the original Donation Land Claims submitted in the area of future Seattle.