Final answer:
Timeshare started in the French Alps during the 1960s.
Step-by-step explanation:
The Timeshare concept originated in the French Alps during the 1960s. It was developed as a way for skiers to share the cost of owning a vacation property in the mountains. Instead of purchasing a whole property, individuals could purchase a specific week or weeks in the property, allowing multiple owners to use the property at different times of the year.