From the ArcaMax Publishing, Trivia Newsletter:
http://www.arcamax.com/news/trivia/s-457075-127508
Soldiers arrived to fight the Battle of Marne in World War I -- not on foot or by military airplane or military vehicle -- but by taxi cabs. France took over all the taxi cabs in Paris to get soldiers to the front.
This news arrived on: 12/06/2008