Jeremy Maddux’s Reviews > Caligula: The Mad Emperor of Rome > Status Update

'Then, it was time for water sports. Becoming playful, the emperor pushed several companions into the water. Plus, for nighttime entertainment, he’d arranged for small craft armed with “beaks,” waterline rams, to be rowed about, ramming the boats containing his friends in sea-battle style. Dio says that Caligula personally sailed about doing this.'

Caligula invented bumper boats!?