15 August 1872

Sri Aurobindo's birthday
Aurobindo Ghose is born in Calcutta. At the age of seven he leaves for London.

 21 February 1878

The Mother's birthday
The Mother is born in Paris to a Persian father and an Egyptian mother. She is named Mirra Alfassa.

 24 April 1920

The Mother's final arrival in Pondicherry
The Mother first visits Pondicherry in 1914; she returns
to settle permanently in 1920.

 24 November 1926

Siddhi day or the day of Victory
Sri Aurobindo experiences the descent of Krishna into his body. He explains, "The descent of Krishna would mean the descent of the Overmind Godhead preparing, though not itself actually bringing, the descent of Supermind and Ananda."

 02 December 1943

The Mother inaugurates the opening of a new school
The Mother starts a school for 20 children and becomes herself one of its first teachers. This school later grows into Sri Aurobindo International Centre of Education.

 5 December 1950

Sri Aurobindo's Mahasamadhi day
Sri Aurobindo leaves his body.

 9 December 1950

Sri Aurobindo's body laid to rest

 29 February 1956

Day of the Supramental Manifestation
The Mother has the concrete experience of the descent of the Supramental Consciousness on Earth.

 17 November 1973

The Mother's Mahasamadhi day
The Mother leaves her body.

 20 November 1973

The Mother's body laid to rest