1864 – He was born in ^tef ne_ti, Arge_ County, on the 20th of August.
1882 – He completed his secondary education at the Saint Sava National College in Bucharest .
1883 – He left for Paris.
1884 – He attended the Collège Sainte-Barbe, then took classes (without being a registered student) at the École Polytechnique.
1889 – He returned to the country and was assigned orders by the Army, being promoted to Lieutenant.
1895 – He became a member of the PNL, the same year he ran in elections and was elected to the Parliament of Romania by the Ist College (of the landed gentry) in Gorj County.
1899 – He was in the majority that voted in favor of the entry of former members of the Romanian Social-Democratic Workers’ Party into the PNL.
– He served as Minister of Public Works and Minister of the Interior the latter assignment was prompted by the effects of the Peasants’ Revolt.
1909 – He was elected head of the National Liberals, a position he was to hold until his death.
1909 – He first became Prime Minister in January.
1913 – He convinced his party to accept a moderate version of land reform, as well as the creation of a single electoral college – a measure which would have given more accurate representation to the peasant majority.
1922-1926 – Br tianu became Prime Minister again from January 17, to March 30. The fourth Br tianu cabinet adopted the constitution of a document which confirmed universal suffrage and minority rights as first defined by the laws of because of the highly centralised model it favored, it drew suspicion from the Transylvanian politicians that it served the goal of a National Liberal-dominated Old Kingdom (especially after the constitution was approved of through a simple vote in Parliament).
1927 – On the 21st of June, Br tianu returned with his fifth and final cabinet.
– He died on the 24th of November in Bucharest, from complications of laryngitis, and was replaced as Prime Minister by his brother Vintil Br tianu until the calling of elections.