I stumbled upon this website about one of my favorite places in all of Seattle:
http://www.sewardparkcentennial.org/
Seward Park celebrates 100 years!! They have a lot of stuff planned. For example:
Trail Dedication Ceremony
June 4th, 12:00-2:00 p.m.
South park entrance to picnic shelter 2
Tweed Bike Ride
June 5th
10:00 am
Promenade Around the Peninsula!
Saturday, July 16th
10:00 a.m.
free registration
Bring your family, neighbors, and walking partners!
vintage attire welcome
meet in front of Audubon Center
Classic Car Parade follows and Promenade ends at Car Show - upper loop parking lot
And more!