Travel history management system and navigation device

A travel history management system comprising one or more navigation devices and a mobile terminal device,

• the one or more navigation devices each comprising:
• one or more first processors;
• and
• a first storage medium containing a first program to be executed by the one or more first processors,
• the first program comprising one or more first commands,
• the one or more first commands causing the one or more first processors to carry out a process of transmitting trip start data and trip end data to the mobile terminal device, the trip start data causing a start of recording of trip data, and the trip end data causing an end of the recording,
• the mobile terminal device comprising
• one or more second processors;
• and
• a second storage medium containing a second program to be executed by the one or more second processors,
• the second program comprising one or more second commands,
• the one or more second commands causing the one or more second processors to carry out
• a process of receiving the trip start data and the trip end data, and
• a process of generating the trip data based on the trip start data and the trip end data.