>The biggest one-day slaughter in Human history was done with swords and >spears, not guns or nukes. > >Cannae Maximum dead on both sides: less than 70,000. cf. (Wiki:) Hiroshima: 80,000. Nagasaki: estimated 70,000 people were killed outright with another 70,000 doomed to die of bomb-related causes in the decades that followed.