1949: Voluntary Provincial Secretary of Tanganyika African Association (TAA) in Tabora (Honorary)
While teaching at Tabora, Nyerere was also active, at local level, in various political and co-operative activities.

1953: Member of the Tanganyika Legislative Council
He served briefly as a Temporary Nominated Member of the Tanganyika Legislative Council.

1953: President of Tanganyika African Association (TAA)
Nyerere was elected President of the Tanganyika African Association (TAA) in 1953 while teaching at St. Francis College in Dar es Salaam.

1954: Founder Member and First Elected President of Tanganyika Africa National Union (TANU)
The following year (1954), he became a founder member of Tanganyika African National Union (TANU) and was elected the first President of the Nationalist Party.

1955: Mwalimu Chose Politics and Resigned from Teaching
On 22nd March, 1955, while still teaching at St. Francis College, now Pugu Secondary School, Mwalimu Nyerere was faced with the choice between teaching and full time politics. He chose politics and thus resigned his teaching post. He visited New York and addressed the Trusteeship Council of the United Nations in New York.

1956: Mwalimu Addressed the Fourth Committee of the UNO in New York
Mwalimu addressed the Fourth Committee, returning to New York the following year to address the Trusteeship Council once again.

1957: Mwalimu Nyerere Addressed the UNO Trusteeship Council for the Second time

1958: Elected Member of Parliament
Nyerere was elected a member of the Parliament in Tanganyika’s first elections.

1960: First Chief Minister of Tanganyika Internal Self Government
Nyerere returned unopposed in the second General Elections. On this occasion, he was asked by the Governor to form the country’s first Council of Ministers with an elected majority, and he become the first Chief Minister.

1961: Sworn in as Prime Minister
In May, following the Constitutional Conference of March that year, he was sworn in as a Prime Minister of the first Government of Independent Tanganyika.

Jan. 1962: Resigned from the Post of Prime Minister
Nyerere resigned from the post of Prime Minister in order to reorganize TANU-the then Tanganyika Ruling Political Party.

Dec. 1962: Sworn in as President of The Republic of Tanganyika
After the decision to make Tanganyika a Republic, Julius Nyerere was nominated as a TANU candidate for the post of President. He won a landslide victory with 97% for the votes. Nyerere was sworn in as President of the Republic of Tanganyika on 9th December 1962.

1964: First President of the United Republic of Tanzania
On 26th April, Mwalimu Julius Nyerere was signatory to the Union of Tanganyika And Zanzibar, and became the first president of the new United Republic of Tanganyika and Zanzibar, later renamed Tanzania. He was re-elected as president four times, choosing to step down as president in 1985.

1977: Founder and Chairman of Chama cha Mapinduzi
Mwalimu Nyerere was a Founder Member and Chairman of Chama Cha Mapinduzi (CCM) which was formed by a merge between TANU and Afro-Shiraz Party (ASP) of Zanzibar.

1985: Retired as President of the United Republic of Tanzania
Nyerere’s voluntary retirement sent a political signal whose influence and significance was felt beyond Tanzania.