The 442nd Infantry Regiment, a largely Japanese American unit that served during WWII, did so while their families were held in internment camps. Their motto was "Go for Broke" and they were the most decorated unit in U.S. military history.
Facebook has more users than many major populations.
A U.S. park ranger named Roy C. Sullivan held the record for being struck by lightning the most times, having been struck — and surviving — seven times between 1942 and 1977.
The people who are currently alive are only 7% of the total number of people who have ever lived.