[3] The PL has its roots in the Frente Iha Timor Unidos Nafatin (FITUN), a youth independence organisation, although it is not a simple transformation.

Party leader Silva took the seat in the Constituent Assembly and the later parliament, but was temporarily replaced by Carlos de Almeida Sarmento as a deputy.

In the 2007 parliamentary elections on 30 June, the Partai Liberal did not run with its own list following a decision by party leader Silva.

On 9 June 2007, 250 PL members, led by Marcus de Conceição, therefore declared their accession to the Democratic Party (PD).

[6] In the parliamentary elections on 7 July 2012, the Democratic Liberal Party failed to clear the three-percent hurdle with 0.47% (2,222 votes).