Top voted Reddit comments...
Commodus, son of one of history's wisest, most revered leaders, gathered all of Rome's disabled people as emperor and had them fight to the death in the Colosseum. How did a man like Marcus Aurelius give birth to such an evil...
In the 1870 Paraguayan War, Paraguay's losses amounted to 70%... Of their entire male population (civilian AND military). Women weren't exempt either... They just fared slightly better. Overall population loss was about 60%.
It took several decades before they were considered to have "recovered."
That at the same time the U.S. Civil war was going on, which killed about 600,000 people and served as probably our greatest national tragedy, China was in the throes of the Taiping Rebellion. The Taiping Rebellion is the largest civil conflict in human history, and best estimates put the death toll somewhere north of 20,000,000. Really reminds you of just how many more people live in Asia.
The number of aircraft destroyed during WWII is greater than the number of aircraft that currently exist in the entire world today.
After being shot during a duel, Andrew Jackson lived with a bullet next to his heart for 39 years.
That the Romans and the Chinese knew about each other, and actually communicated semi-regularly.