The Socialist Party of Romania (Romanian: Partidul Socialist din România, commonly known as Partidul Socialist, PS) was a Romanian socialist political party, created on December 11, 1918 by members of the Social Democratic Party of Romania (PSDR), after the latter emerged from clandestinity. Through its PSDR legacy, the PS maintained a close connection with the local labor movement and was symbolically linked to the first local socialist group, the Romanian Social-Democratic Workers' Party. Its creation coincided with the establishment of Greater Romania in the wake of World War I; after May 1919, it began a process of fusion with the social democratic groups of in the former territories of Austria-Hungary — the Social Democratic Parties of Transylvania, Banat and Bukovina. The parties ado