Incorporated in 1764, Fitchburg began as a farming community nestled among the hills along the Nashua River in north-central Massachusetts. In 1845, the railroad sparked rapid growth in the city, and by the beginning of the 20th century, nearly 100 trains traveled through Fitchburg daily. Immigrants from many countries provided a vital workforce, and the city was catapulted into a golden age of industry. Mill owners became prosperous, and their philanthropy became evident throughout the city. Splendid churches, Main Street edifices, and grand residences were built to create a rich architectural heritage.