The water level marked on an old house from a flooding in 1875.
A mural created by a school class in 2015.
A keystone with the year 1743 marked out.
The (most likely) dates of birth and death of Johannes Bückler, better known as Schinderhannes, painted on a house in the area where he used to live as an outlaw and robber. There are many legends (and five movies) about the man, making him into a more modern German version of Robin Hood which are in all probability not true.
For Cee’s Black & White Photo Challenge: Anything with numbers on it. More numbered photos can be found here.