The Movie Timeline - it's like a timeline, but of movies
Timeline - timeline
Several bungling American archeologists briefly appear from the future. (France)
2nd April: Prof. E.A. Johnston left a note to be found in the future by his students, so they would come back in time to help him. (Castlegard, France)
Andrew Marek and friends travel to 14th century France to rescue Professor Edward Johnston. (Castleguard France)