To mark America's 250th anniversary, Philadelphia will spend each weekend of 2026 celebrating a different innovative and cultural contribution with roots in the city — from the country's first hospital to its first selfie.

On Thursday, members of the Philadelphia Historic District 250th Committee announced its finalized schedule for the "52 Weeks of Firsts," which will take place in over a dozen neighborhoods around the city.

MORE : Philadelphia Zoo is adding a 110-foot Ferris wheel ahead of 2026

Experts and researchers at the 20 museums and cultural institutions that are part of the committee took suggestions from the public under consideration when they collaborated to come up with the final list.

"[It took] a lot of conversations, a lot of corrections, a lot of updates, but we've

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