1871 (19^th Century)

Alexander Cunningham was made the Director-general of the ASI

1875 (19^th Century)

Alexander Cunningham’s Report on Harappan Seal

1902 (20^th Century)

John Marshall became the Director General of the ASI

1921 (20^th Century)

M.S. Vats started excavations at Harappa

1924 (20^th Century)

John Marshall announced the discovery of the Harappan Civilization

1925 (20^th Century)

Excavations began at Mohenjodaro

1944 (20^th Century)

R.E.M. Wheeler took over as Director-General of the ASI

1946 (20^th Century)

R.E.M. Wheeler excavated Harappa

1955 (20^th Century)

S.R. Rao began excavations at Lothal

1960 (20^th Century)

B.B. Lal & B.K. Thapar started excavation at Kalibangan (Rajasthan)

1974 (20^th Century)

M.R. Mughal started exploring Bahawalpur

1980 (20^th Century)

German & Italian archaeologists started surface explorations at Mohenjodaro

1986 (20^th Century)

American team started excavations at Harappa

1990 (20^th Century)

R.S. Bisht started excavation at Dholavira