Prehistoric Evidence: Traces of Stone Age habitation; indigenous tribes like the Sentinelese, Great Andamanese, Onges, Jarwas, and Shompens have lived here for thousands of years.
Colonial Era:
Danish Settlement: In Nicobar in the 18th century (later abandoned).
British Rule: Took over the Andaman Islands in the 19th century.
Cellular Jail (Kala Pani): Built in 1906, infamous for imprisoning Indian freedom fighters.
World War II: Occupied by the Japanese from 1942 to 1945.
Post-Independence: Became part of India in 1950 and a Union Territory in 1956.