Exhibition· Heilbronn
Festgottesdienst zum Patrozinium, anschl. Gemeindeversammlung St. Martinus
This is a festive church service (Festgottesdienst) held for a patronal festival (Patrozinium) — the annual feast day celebrating the saint to whom a church is dedicated — followed by a subsequent gathering or procession, as indicated by "anschl." (anschließend = "following").