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ST. LOUIS – June 30 marks Arch 630 Day, celebrating the Gateway Arch’s unique dimensions and history in St. Louis. Arch 630 Day honors the historic monument and its dimensions, which stand at ...
Join St. Louis in honoring the iconic Gateway Arch with fun activities, tours, and the popular 'Arch Stacking Challenge.' Share your experiences using #Arch630Day!
Posted: Jun 30, 2025 / 07:40 AM CDT Updated: Jun 30, 2025 / 07:40 AM CDT ST. LOUIS – June 30 marks Arch 630 Day, celebrating the Gateway Arch’s unique dimensions and history in St. Louis.
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