<human>:  When did the philosophy of Pragmatism start?
<bot>: The philosophy of Pragmatism was started by John Dewey in the early 1900s. Pragmatism is an American philosophical tradition that emphasizes the practical value of ideas, and the importance of social change. The philosophy of pragmatism is often associated with the pragmatic movement in American philosophy, which began with the work of Charles Sanders Peirce and William James.