16 old photos showing that the chemistry between people and dogs arose a long time ago (17 photos)
People go crazy for dogs, and dogs go crazy for people, and it's been that way for centuries. Yes, cats are in this equation, but they are idols for people, while dogs are buddies and bros. 
A man with his dog, 1920s 
“The more I get to know people, the more I like my dog,” — Mark Twain 
"Photo of me, my dog in sunglasses, and my 1984 Fiero SE" 
Girl and her curious dog, Riga, 1974 year 
A dog holds a young boy who is trying to get a ball out of a river with a golf club, 1920s 
A soldier bandages the paw of a Red Cross service dog in Flanders, Belgium, 1917 year 
My dad and his puppy, 1970s 
My grandpa and his dog Matt, 1959 
A selfie of my Italian grandpa with dog in the 1970s 
The dog is clearly not the main one here.
Brigitte Bardot at home with her dog Guapa, 1950s 
Janis Joplin with her dog George in a psychedelic 1965 Porsche 
Photo of my grandfather with Corky, the first dog he and my grandmother got after they got married, 1945 year 
My 2 year old mom and Randy the dog who accidentally got into the frame 
The dog was probably very surprised by the flash.
Incredibly happy girl with incredibly huge dog, 1950s 
Dog accidentally gets into parade, Luxembourg, 1950s 
Dog tells boy best joke he heard all week, 1930s 
