The most essential part of trolling is convincing your victim that to truly believe in what you are saying. There have been endless examples of trolling from World History. Here is the list of 12 shocking trolls from world history.
# 12 Basil Zaharoff
Zaharoff was a Greek arms dealer and he also was a politician. He once sold a submarine to the Greek government. He then told the Turks that the Greeks had a submarine and sold them 2 submarines. Lastly, he went to the Russians and told them the Turks had 2 submarines so he sold those 2 as well. None of the submarines actually worked.