1953, established the boarding department. Student will live in the university and will be trained about the academic and disciplines. 1955, Thammasat University had the academic supporting from United States directly and establish the department of Public Administration in master degree, as bilingual program (Thai and English). 1959, faculty agree to establish the department of Diplomatic in the bachelor program after opened in master degree for awhile. 1967 (B.E. 2510); founded the department of Public Administration and Political Science study in bachelor degree. In the beginning of 1977 era (B.E. 2520), faculty had opened the courses in bachelor and master degree for 4 departments; governance, public administration, international relations (former 'diplomatic') and political philosophy (former 'political science study') and terminated political philosophy departments, so it have 3 departments until nowadays. Since the beginning of 1987 era (B.E. 2530), after the end of Cold War and the beginning of globalization affect the political atmosphere as well as socio-economics in domestic and international cause the rapidly development of faculty. Led to the establishment of special program offered in master degree.