This document discusses the history and evolution of service-learning in higher education in the United States. It traces the origins of service-learning back to the 1830s with student anti-slavery activities. It then outlines key developments in the 20th century that led to the growth of service-learning programs on college campuses. These included the civil rights movement and establishment of national service organizations. The document also describes the pedagogical elements of modern service-learning, including Kolb's experiential learning cycle and principles of good practice. Finally, it discusses benefits of service-learning for students, faculty, and communities served.