Question

list top 3 oldest civilization in world?

Answer 1

indus valley civilization is the oldest civilization

Answer 2

Here is the list of top 4 oldest civilization in the world from oldest to the recent.
1)Mesopotamian Civilization:  it is the oldest and first ever civilization in the planet earth and was originated in the 3500 BC and the location was the south east of arabian plateau while the northeast  of the Zagros  mountains .

2)Indus Valley Civilization:
One of the oldest civilization known it was originated from 2600 BC around the basin of indus river.

3)Ancient Egyptian civilization:
Also,one most oldest civilization which was originated in the year 3100 BC this is considered one of the wealthiest civilization in term of culture.