Six Flags Great America Unveils 50th Anniversary Plans

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Six Flags Great America in Gurnee, Illinois has announced it will open for the 2026 season on April 25, kicking off a summer-long 50th anniversary celebration. The festivities will include a new nighttime spectacular, nightly drone shows, themed experiences, an anniversary brick program, and a museum showcasing historic park artifacts. Visitors will also be able to purchase exclusive 50th anniversary merchandise and enjoy special food and beverage offerings.

Why it matters

As one of the Chicago area's most beloved and long-running theme parks, Six Flags Great America's 50th anniversary is a significant milestone that will draw large crowds and media attention. The extensive lineup of celebratory events and experiences demonstrates the park's commitment to honoring its rich history and providing guests with a memorable anniversary season.

The details

Six Flags Great America will kick off its 50th anniversary celebration on June 20 and run through August 9. In addition to the new nighttime show and drone displays, the park will offer themed experiences, an anniversary brick program allowing guests to purchase commemorative bricks, and a museum featuring historic park artifacts. Exclusive 50th anniversary merchandise and specialty food and beverage items will also be available throughout the summer.

• Six Flags Great America will open for the 2026 season on Saturday, April 25.
• The 50th Anniversary Celebration will run from June 20 through August 9.

What’s next

Tickets and information about the park's operating schedule for the 2026 season can be found on the Six Flags Great America website.