*laughing as if he's seen the funniest thing ever*
On September,13,1848 Phineas Gage was involved in an accident that would leave him with a changed personality.
The 13 pound metal tamping iron shot right through Phineas' head. All of the men working hurried him into town seeking help from a doctor,There was no sign of the doctor in their town so they went to the next town.
Phineas' accident has no changed his old self into some person who nobody knew. When he went back to his work or saw his "co workers" ,so to speak, he spoke in foul language and just wasn't himself. 11 years later Phineas died from uncontrollable seizures.