[1] In April 1899 it won an absolute majority in the National Assembly with 89 of the 169 seats.
The Liberal Party was the largest of the three groups in the alliance with 54 seats, and Vasil Radoslavov became Prime Minister for a second time.
The alliance was continued for the 1914 elections, which saw the Liberal Concentration win an absolute majority and Radoslavov remain Prime Minister.
Radoslavov was dismissed after Bulgaria's defeat in World War I,[7] and the party did not contest the 1919 elections.
The three merged in the same year to form the National Liberal Party.