I saw this on MyHeritage recently – The Legacy of ‘The Star-Spangled Banner’: The Anthem & the Flag That Inspired It: https://blog.myheritage.com/2021/07/the-legacy-of-the-star-spangled-banner-the-anthem-the-flag-that-inspired-it/. Much longer article.
O say can you see, by the dawn’s early light
What so proudly we hailed at the twilight’s last gleaming?
These words have been filling the hearts of United States citizens with pride, courage, and gratitude for centuries. Soldiers have sung them before rushing into battle; children have sung them, hand over heart, beside their desks at school; and the voices of thousands have joined as one to sing them at concerts, sporting events, and ceremonies.