This document discusses the major foundations of curriculum, including philosophical, historical, psychological, and social foundations. Under the philosophical foundations, it describes four main educational philosophies: perennialism, essentialism, progressivism, and reconstructionism. It provides the aims, roles of education, and curriculum trends for each philosophy. The historical foundations section briefly introduces several influential curriculum theorists from 1876 to 1965 and notes their views on curriculum. The document aims to provide an overview of the key foundations that influence the development of curriculum.