[2] He became a provincial councillor and was elected as a deputy for the Italian People's Party in 1919 which he held until 1924.

He was appointed to the post 6 July 1955 to the first cabinet of Prime Minister Antonio Segni, and his term ended on 19 May 1957.

[3] Angelini was named as the minister without portfolio for relations with Parliament on 25 March 1960 to the cabinet of Fernando Tambroni and remained in office until 25 July 1960.

[3] Angelini was appointed minister without portfolio for public administration reform on 12 April 1960 to the cabinet of Tambroni, and his term ended on 25 July 1960.

[7] Angelini died in a clinic in Rome on 17 April 1968 while he was a member of the Italian Senate.