Nicolas-Joseph Cugnot This article does not have any sources. You can help Wikipedia by finding good sources, and adding them. (December 2011) Nicolas-Joseph Cugnot (26 February 1725 – 2 October 1804) was a French inventor. He is believed to have built the first self-propelled mechanical vehicle. This short article about a person or group of people can be made longer. You can help Wikipedia by adding to it. Retrieved from "https://simple.wikipedia.org/w/index.php?title=Nicolas-Joseph_Cugnot&oldid=4266843"