This book provides a comprehensive exploration of the history of Lowell, Massachusetts, examining its transformation from a planned industrial city into a diverse, modern urban center. Spanning two centuries, it covers the city's founding and rapid growth in the 19th century as a hub of textile manufacturing, powered by technological innovations like the Lowell Canal System. It delves into the lives and struggles of immigrant communities, particularly the Irish, French-Canadians, and Cambodians, who have shaped the city's cultural and social fabric. The book also explores key social and economic movements, such as labor reform, the rise of organized crime, and efforts toward environmental sustainability. Through detailed analysis of Lowell's notable figures, from industrial pioneers to social activists, and its crucial role in labor rights, technological innovation, and education, this work illustrates how Lowell's past continues to influence its current identity. It is an in-depth historical account of a city that played a vital role in America's industrial revolution while adapting to the challenges of globalization and modernization, making it an enduring model for urban transformation.