You could be having a pretty grouchy day, but admit it, pictures of cats still make you smile. Adorable felines just have a way of melting away worries and troubles even if it’s just for a few moments.

Pictures of cats doing the cutest and most ridiculous things abound on social media, but did you know that people have been taking photos of their cats ever since the camera was invented over a century ago?

Check out some of these vintage photos of our feline friends: