Show me your favorite commemorative patch and why you like it

[dfirest1]

I'm sure we all have, or had items that have commemorative patches on them, and I'd like to see your favorites, and why you like them. I'll get the ball rolling.
-The first one is a Shea Stadium final season patch from a game-issued Mets jersey because I liked Shea,
-The second is a 1999 Cleveland Browns inaugural season patch, I remember watching the Hall of Fame game in '99 and marveling at the team's rebirth,
-The third is a Pittsburgh Pirates 100th Anniversary patch I got this jersey (Junior Ortiz) the day my niece was born, so it holds a special place in my heart,
-and the 4th is an NHL 2000 patch, I'm a hockey fan, and we went to a game for my 18th birthday that year.

Show me yours!!!!!