50th Anniversary Celebration at Six Flags Great America

Name: 50th Anniversary Celebration at Six Flags Great America
Start: Saturday, June 20, 2026
End: Sunday, August 9, 2026
Location: Six Flags Great America

Saturday, June 20, 2026 - Sunday, August 9, 2026

Six Flags Great America
542 N. Route 21
Gurnee, IL 60031
Website | Map

50th Anniversary Celebration at Six Flags Great America

Celebrate a milestone 50 years in the making! From June 20 through August 9, Six Flags Great America invites you to an anniversary celebration packed with new experiences, nostalgic touches and extended park hours. The theme park will be open until 10 p.m. every night during the celebration.

Admission Cost

For more information, call 847.249.4636

< Back to Calendar of Events

Jul. 3 - Jul. 4

Star Spangled Nights at Six Flags Great America

7/3/26 - 7/4/26
Six Flags Great America hosts Star-Spangled Nights, a Fourth of July celebr...

Jan. 1 - Feb. 12

Karaoke Thursdays at Timothy O'Toole's Pub

1/1/13 - 2/12/29
Come out Thursday nights for karaoke night. Pick out a song and sing away. ...

May. 1 - Aug. 7

First Friday Cubs Ticket Giveaway at Timothy O'Toole's Pub in Gurnee

5/1/26 - 8/7/26
Join Timothy O'Toole's Pub on the first Friday of every month for a...

May. 3 - May. 9

National Travel and Tourism Week

5/3/26 - 5/9/26
National Travel and Tourism Week (NTTW) is the U.S. travel industry’s...

50th Anniversary Celebration at Six Flags Great America

Saturday, June 20, 2026 - Sunday, August 9, 2026

Six Flags Great America 542 N. Route 21 Gurnee, IL 60031 Website | Map

Six Flags Great America
542 N. Route 21
Gurnee, IL 60031
Website | Map