Builders often write the year the house was built, often together with their name or initials, somewhere over a door or a window.  This is just a small collection from close to where I live, all done in rose-tinted sandstone, which is often used in our area.

for Thursday’s Special: Traces of the Past

https://bopaula.wordpress.com/2017/09/21/thursdays-special-traces-of-the-past-y3-09/