The first posts using John Titor's military symbol appeared on the Time Travel Institute forums on November 2, 2000, under the name TimeTravel_0.[4] At that time the name "John Titor" was not being used. The posts discussed time travel in general, the first one being the "six parts" description of what a time machine would need to have to work (see below) and responses to questions about how such a machine would work. Early messages tended to be short.