This document provides a brief history of tourism from prehistoric times to the modern era. It traces the evolution of tourism from early human travel for hunting and gathering, to organized religious pilgrimages in medieval times. The development of transportation infrastructure like roads and ships expanded tourism during ancient Greek, Roman, and British empires. Guided group tours became popular in the 19th century with Thomas Cook offering packaged tours. Mass tourism emerged in the 20th century alongside developments in transportation technology, rising incomes, paid time off work, and changing social values. The tourism industry continues growing rapidly today.