Expédition Particulière was the codename given to the French expeditionary army sent to help the American Revolution during 1780 to 1782. Its contribution was essential to the American-French allied victory at Yorktown in September 1781. http://www.xenophongroup.com/mcjoynt/ep_web.htm <A HREF="http://www.xenophongroup.com/mcjoynt/ep_web.htm">Expedition Particulire Web Page</A>