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Today in History: September 29, final stone placed on Washington National Cathedral

5 verified updates • corroborated by 2 independent sources • tracked since September 29, 2026

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  04:01 AM 1 source: The Denver Post

  Today in History: September 29, final stone placed on Washington National Cathedral
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  07:31 AM 1 source: denverpost.com
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  08:01 AM 1 source: The Denver Post
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  03:01 PM 1 source: denverpost.com
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  03:31 PM 1 source: The Denver Post