1875

The Theosophical Society is founded by H. S. Olcott, H. P. Blavatsky, W. Q. Judge and others in New York USA.

1877

Isis Unveiled is published by H. P. Blavatsky.

1878

H. S. Olcott and H. P. Blavatsky depart for India.

1879

H. S. Olcott and H. P. Blavatsky start the publication of The Theosophist.

1881

The Occult World is published by A. P. Sinnett.

1883

The Esoteric Buddhism is published by A. P. Sinnett.

1884

C. W. Leadbeater joins the Theosophical Society and travels to India.
The Inner Group of the London Lodge is formed.

1885

The Idyll of the White Lotus is published by M. Collins.
H. P. Blavatsky returns to Europe.

1886

W. Q. Judge starts the magazine Path.

1887

H. P. Blavatsky starts the magazine Lucifer.

1888

The Secret Doctrine is published by H. P. Blavatsky. The Light on the Path and Through the Gates of Gold by M. Collins is published.
The existence of the Esoteric School is publicly announced.

1889

A. Besant joins the Theosophical Society.
The Key to Theosophy and The Voice of the Silence are published by H. P. Blavatsky.

1890

T. Subba Row dies.

1891

H. P. Blavatsky dies.
A. Besant and W. Q. Judge become joint Outer Head of the Esoteric Section.

1892

The Theosophical Glossary by H. P. Blavatsky is published.

1894

Conflict between W. Q. Judge and A. Besant because of the succession of the Esoteric Section.

1895

The Theosophical Manuals starts to be published by C. W. Leadbeater and A. Besant.
The American Section secedes and is now called the Theosophical Society in America.

1896

W. Q. Judge dies.

1900

A. Besant receives a Mahatma letter.

1902

R. Steiner forms German Section of the Theosophical Society. 

1906

C. W. Leadbeater leaves the Theosophical Society because of alleged inappropriate educational methods.

1907

H. S. Olcott dies.
A. Besant becomes president of the Theosophical Society.

1908

C. W. Leadbeater returns to work with the Theosophical Society; many lodges of the English Section leave the Theosophical Society.

1909

C. W. Leadbeater "discovers" J. Krishnamurti.
The United Lodge of Theosophists (ULT) is formed by Robert Crosby. 

1911

At the Feet of the Master by J. Krishnamurti is published by C. W. Leadbeater.
The Order of the star in the East is formed in dedication to the future World Teacher ( J. Krishnamurti).

1912

R. Steiner leaves the Theosophical Society because he refuses obligatory membership in the Order of the Star of the East. Most of the German Section leaves with him and the Antroposophical Society is formed.

1922

B. P. Wadia leaves the Theosophical Society and joins the ULT.

1923

The Mahatma Letters are published.

1925

R. Steiner dies.

1927

M. Collins dies.

1929

J. Krishnamurti dissolves the Order of the star of the East.

1930

Revelation or Realization by J. J. Van der Leeuw is delivered.

1931

P. G. Bowen publishes his father's, R. Bowen's notes: H.P.B. on How to Study the Secret Doctrine.

1933

A. Besant dies.

1934

G. S. Arundale becomes president of the Theosophical Society.
C. W. Leadbeater dies.

1945

G. S. Arundale dies.
C. Jinarajadasa becomes president of the Theosophical Society.

1953

C. Jinarajadasa dies.
N. Sri Ram becomes president of the Theosophical Society.

1973

N. Sri Ram dies.
J. Coats becomes president of the Theosophical Society.

1980

R. Burnier becomes president of the Theosophical Society.