During World War I, in the bitter winter of 1914, on the battlefields of Flanders, one of the most unusual events in all of human history took place. The Germans had been in a fierce battle with the British and French. Both sides were dug in, safe in muddy, man-made trenches six to eight feet deep that seemed to stretch forever. The Sudden Christmas Truce During World War I All of a sudden, German troops began to put small Christmas trees, lit with candles, outside of their trenches. Then,...