Our product picks are editor-tested, expert-approved. We may earn a commission through links on our site. This Video Breaks Down the Extreme Training That Made Spartan Soldiers Such a Force to Be Reckoned With Training started at the age of seven and didn't let up until you died. Jan 9, 2021 The Infographics Show on YouTube specializes in animations which simply and succinctly summarize complex or obscure subject matter from the realms of history, geography, literature and more. Following on from a post which illustrated the grueling ordeal of "Hell Week" in Navy SEAL training, a more recent video examines the training of a much older military institution: the Spartans.