Why did Saint Florian become a saint?

Answer 1

Because one day there was a huge fire and he used one pitcher of water to put it out. He is the patron saint of firemen and chimney sweeps.

Answer 2

Saint Florian is a patron saint of firefighters because of his reputation for protecting people from fires. He served as a Roman officer and is said to have saved a whole town from a fire by extinguishing it with a single pitcher of water. This act of heroism led to his veneration as a saint.