History in 100 Numbers

Numbers can give a fresh and powerful perspective, sharpening the fuzzy outlines of history and bringing more obscure historical players to the fore. They can also offer interesting entry points into broad historical themes. Some numbers even feel as though they can tell a whole story with a few digits. For example, did you know that between 1619 and 1865, African-American slaves provided 222,505,049 hours of forced labor? Or that 191 people were killed trying to cross the Berlin Wall? Or t...