Celebrate 100 Years in Clayton with Concordia Seminary 3 p.m. (CT) Sunday, April 26, 2026 Chapel of St. Timothy and St. Titus Mark your calendars! Concordia Seminary is celebrating 100 years at its iconic Clayton, Mo., location — and we want you to be part of it. Plan to join us for a special chapel service Sunday, April 26, 2026, honoring our milestone anniversary with the theme: “O Christ the Living Stone – a lasting legacy, a firm future.” Won't be able to attend in person? Plan to watch the livestream at csl.edu/live. We’d love to hear your story. Do you have a personal connection to the Seminary’s history in Clayton, Mo.? Perhaps a relative served on the original planning committee a century ago, helped design or construct our campus buildings, or even founded a club or ministry based here in Clayton. If so, we’d be honored to learn more about your family's connection to the Seminary. Please share your story by clicking on the link below — the form is simple and easy!  Share my story