As the nation marks its 250th birthday in 2026, Costa Mesa has its own story to tell about the last time America reached a milestone like this. Fifty years ago, as the country prepared to turn 200, this community didn’t simply celebrate — it organized, it innovated, and it inspired a generation of young people to engage with their history in ways that left a lasting mark. The photos and memories that follow are a reminder of what that looked like — and of the people who made it happen.
When America turned 200 in 1976, Costa Mesa didn’t just watch from the sidelines. The city formed its Bicentennial Committee in 1973, and by March 1974 had announced four ambitious objectives: immerse residents in their heritage, inspire youth, enlarge the city’s prestige, and spark conversation about Costa Mesa’s future.
By the time it was done, the committee had overseen 24 program categories and 28 separate events, touching nearly every corner of city life — and leaving behind stories that deserve to be emembered.
Mayor Alvin Pinkley: Mayor Alvin Pinkley, one of Costa Mesa’s most beloved civic figures, who served multiple terms on the City Council. In April 1975 he proclaimed Bicentennial Awareness Day, reflecting the city’s deep commitment to marking the nation’s 200th birthday.
Immersing the Community in Its Heritage
The committee’s first objective was to give every resident a “refresher course” in American and California history — and they pursued it on multiple fronts…