I didn't know that. Thanks for sharing. http://penelope.uchicago.edu/~grout/encyclopaedia_romana/mis... has more details. "Although intermittently appearing on the battle field for six hundred years, the scythed chariot was curiously ineffectual. Their use by the Seleucid king Antiochus III at the Battle of Magnesia in 190 BC, can serve as an example. ... Antiochus had expected that they would throw the enemy into confusion, but for Livy it all was a "silly show." Placed in front, the horses were terrified by the shouts and missiles directed at them and bolted wildly, without bit or bridle."