1. Indian Claims Commission established in 1946: The Indian Claims Commission was established on November 26, 1946. It was charged with hearing and settling Native American land claims against the U.S. government. The commission was active until 1978.

2. Seattle's Space Needle opens in 1962: One of Seattle's most iconic landmarks, the Space Needle, opened to the public on November 26, 1962. It was built for the 1962 World's Fair and has since become a symbol of the city.

3. First Black Friday occurs in 1965: Black Friday, the day after Thanksgiving known for its huge shopping deals, happened for the first time on November 26, 1965. It originated in Philadelphia, where it was used to describe the heavy and disruptive pedestrian and vehicle traffic that would occur on the day after Thanksgiving.

4. Washington state voters approve gay marriage in 2012: On November 6, 2012, Washington state voters approved Referendum 74, which legalized same-sex marriage in the state. Washington was one of three states to approve same-sex marriage in that election.

5. Seattle Seahawks win first Super Bowl in 2014: On February 2, 2014, the Seattle Seahawks won their first-ever Super Bowl, defeating the Denver Broncos 43-8. The victory was particularly sweet for Seattle fans, as it made up for the team's Super Bowl loss the previous year. The game itself, however, did not take place on November 26.