-- Navigation -- Home AP Euro History - Themes - Periods: key concepts -- Period 1: 1450 – 1648 -- Period 2: 1648 to 1815 -- Period 3: c. 1815 to c. 1914 -- Period 4: 1914 to the Present - THE UNITS -- UNIT 1 -- UNIT 2 -- UNIT 3 -- UNIT 4 -- UNIT 5 -- UNIT 6 -- UNIT 7 -- UNIT 8 -- UNIT 9 AP World History - Themes - Periods: Key Concepts -- UNIT 0: to c. 600 B.C.E. -- UNIT 0: c. 600 B.C.E. to c. 600 C.E. -- UNITS 1 & 2: c. 600 C.E. to c. 1450 -- UNITS 3 & 4: c. 1450 to c. 1750 -- UNITS 5 & 6: c. 1750 to c. 1900 -- UNITS 7, 8 & 9: c. 1900 to the Present - UNITS -- UNIT 1 THE GLOBAL TAPESTRY -- UNIT 2 NETWORKS OF EXCHANGE -- UNIT 3 LAND BASED EMPIRES -- UNIT 4 TRANSOCEANIC INTERCONNECTIONS -- UNIT 5 REVOLUTIONS 1750 – 1900 -- UNIT 6 CONSEQUENCES OF INDUSTRIALIZATION 1750 TO 1900 -- UNIT 7 GLOBAL CONFLICT: 1900 TO THE PRESENT -- UNIT 8 COLD WAR AND DECOLONIZATION -- UNIT 9 GLOBALIZATION - Resources -- Unit 0 -- Unit 0 -- Units 1 AND 2 -- Units 3 and 4 -- Units 5 and 6 -- Units 7, 8 and 9 Calendar Primary Sources Links