1900 BCE

c. 1900 BC: Minoan Old Palace (Protopalatial) period starts in Crete. c. 1900 BC: Late Harappan phase of the Indus Valley civilization begins. c. 1900 BC: Transition from Early Helladic III to Middle Helladic culture in Greece.

Geopolitics & Diplomacy

c. 1900 BC: Minoan Old Palace (Protopalatial) period starts in Crete.source

Conflict & Security

c. 1900 BC: Fall of last Sumerian dynasty.source

Exploration & Expansion

c. 1900 BC: Late Harappan phase of the Indus Valley civilization beginssource
c. 1900 BC: The Mokaya along the Pacific coast of present-day Chiapas, Mexico were preparing cacao beverages.source
c. 1900 BC: Port of Lothal is abandoned.source

Culture & Society

c. 1900 BC: Transition from Early Helladic III to Middle Helladic culture in Greece.source