1927 – Born on the 23rd of November.
1950 – He was ordained a priest there on 23rd of September by Bishop Umberto Rossi.
1950 – He served as a parish priest doing pastoral work in the diocese of Asti and faculty member of its seminary.
1959 – He moved to Rome and entered the direct service of the Holy See.
1968 – Serving as a secretary of nunciatures in Latin America, and achieving the title of monsignor before becoming an official of the Curial Council for Public Affairs of the Church.
1977 – On the 30th of November, he was appointed a titular archbishop of Nova Caesaris and the apostolic nuncio to Chile.
1978 – He returned to Asti to be consecrated a bishop before taking up his post.
1988 – He returned to Rome as Secretary of the Council For Public Affairs of the Church.
1989 – He became the Section for Relations with States of the Secretariat of State.
1990 – He became Pro-Secretary of State 1 December.
1991 – Full Secretary of State once he had been named a cardinal in the consistory on the 27th of June.
1994 – On the 10th of January, Pope John Paul II named him Cardinal Bishop of the suburbicarian see of Albano.
2002 – On the 30th of November, exactly twenty-five years after he was first appointed a bishop, he was elected vice-dean of the College of Cardinals in succession to Joseph Cardinal Ratzinger, who became Dean.
2002 – He turned 75, John Paul specifically invited him to stay on as Secretary of State, though this is the customary retirement age for heads of major Vatican departments
2006 – On the 22nd of June, Benedict XVI appointed Tarcisio Cardinal Bertone to replace Sodano as the Secretary of State.
2007 -On the 23rd of November, he will be eligible to participate in any papal conclaves that begin before that date.