A cow fell through the roof of the coffeehouse where Ethem Sahin was playing dominoes with his friends in Nevsehir, Turkey, and knocked him unconscious.
"My friends told me later what happened. I couldn't believe it," Sahin told the Anatolia news agency.
He was treated for a broken leg and needed seven stitches to his forehead.
The cow apparently wandered from the hillside where it was grazing onto the roof of the coffeehouse, which is built into the side of the hill. It was not seriously injured.