The Sri Lankan Freedom party was born on September 2nd 1951. Before 1948 our prime national need was to regain our lost national Independence. It was to achieve this that the Sinhala Maha Sabha led by late Mr. S.W.R.D. Bandaranaike and the Lanka Jathika Sangma joined and formed the United National Party. Although this party was able to fulfill and important responsibility in winning national independence the people hopes and aspirations were not fulfill by the UNP government born after Independence. The moment Mr. Bandaranaike understood this situation he resigned from the UNP government.
SWRD Bandaranaike
SWRD Bandaranaike a significant change in the political history of modern Ceylon. He was the founder of Sri Lanka
Bandaranaike was born in Colombo, He was educated at Oxford University, England, where he was Secretary of the famous OxfordUnion. He later qualified as a Barrister in England. He entered politics as a member of the Unite National Party and rose to hold a cabinet position. As a young lawyer he became active in the United National Party (UNP) and from 1931 to 1951 served the party in legislative and ministerial posts. In 1951, Bandaranaike led his faction, the Sinhala Maha Sabha, out of the UNP and established the Sri Lanka Freedom Party (SLFP)
Political Changes occured in 1948
The political change, which occurred in 1948, brought no major change in the colonial state. The colonial state began to undergo certain changes in the 1930s through the introduction of the universal suffrage, the introduction of which was a landmark in the political history of the island as it laid the foundation for mass-oriented changes in the subsequent years.
Introduction of Parliamentary system in 1948
Political and social changes took place in certain levels of activity of the state, and the grant of Dominion status in 1948 with the introduction of a Parliamentary system of Government further accelerated the process of change in the country 
