After World War II, in November 1945, the major prewar conservative, moderate, and progressives had reorganized and the Japanese Communist Party (JCP) had been legalized.
1955 | operating system | Super Nintendo Entertainment System | Nintendo Entertainment System | Android (operating system) | Global Positioning System | Solar System | X Window System | Korean Broadcasting System | 1955 in music | 1955 in baseball | System of a Down | Domain Name System | Seoul Broadcasting System | North Carolina Community College System | Mutual Broadcasting System | Bulletin board system | system | 1955 in television | Turner Broadcasting System | Program and System Information Protocol | Geographic information system | Ubuntu (operating system) | Tokyo Broadcasting System | North-West Frontier Province (1901–1955) | Federal Reserve System | Youth system | Embedded system | solar system | Seigneurial system of New France |