The Kingdom of Rome grew rapidly from a trading town to a prosperous city between the 8th and 6th centuries BCE. When the last of the seven kings of Rome, Tarquin the Proud, was deposed in 509 BCE, his rival for power, Lucius Junius Brutus, reformed the system of government and established the Roman Republic. it was war which would make Rome a powerful force in the ancient world.
Hopkins was an age removed from the beloved, but fictional, Don Draper. Nevertheless he drilled into human habits to sell Pepsodent toothpaste. Hopkins codified the cycle of habit (cue, routine, reward) which is the backbone of modern advertising. Today, Hopkins is almost totally forgotten.
The Predator pool cues would typically start around 12-13mm in tip size, so for that reason alone, getting a snooker cue around 10mm (I recommend 9.8mm to start) will be beneficial. If you continued playing snooker with a pool cue, you would be really missing out on some of the nuances that you would only discover playing with a proper tip size. I also suggest staying away from layered tips initially.