–221 BCE)Imperial China (political systems) (221 BC – 1912 AD)Modern China (1912 AD – present)Republic (1912–1949)People's Republic (1949–present)1949–19761976–19891989–20022002–presentChronologyHundred Days' Reform1911 RevolutionWorld War IKuomintangNew Culture MovementSecond Sino-Japanese WarWar of LiberationKorean WarSino-Soviet splitCultural RevolutionReform and openingSino-Vietnamese War1989 ProtestsChinese space programOne country, two systemsGeographyBordersExtreme pointsGeologyNatural disastersRegionsEastNortheastNorthSouth CentralCentralSouthWesternNorthwestSouthwestTerrainBaysCanyonsCavesDesertsGrasslandsHillsIslandsMountainsrangespassesPeninsulasNortheast / North / Central PlainsValleysVolcanoesWaterCanalsLakesRiversWaterfallsWetlandsWater resourcesSeasBohaiYellowEast ChinaSouth ChinaEcosystemProtected areasNational parksNature reservesUNESCO Biosphere ReservesWildlifeFaunaFloraSubdivisionsBaselin