A look at some memorable moments in Seahawks history that occurred on April 20:

1996: Paul Allen, the billionaire cofounder of Microsoft, purchases an option to buy the Seahawks from owner Ken Behring. On the same day, guard Pete Kendall is selected in the first round of the NFL Draft. Kendall would start 75 games in five seasons with the team. Under Allen's ownership, the Seahawks would win the franchise's first Super Bowl (2013) and three conference championships (2005, 2013 and 2014).

1993: Ray Donaldson, a Pro Bowl center from the Lions, signs with the Seahawks in free agency. He started 32 games in two seasons with the club.