The
Ukrainian Radical Party, (URP), (Ukrainian: Українська радикальна партія, УPП,
Ukrainska Radikalna Partiya) founded in October 1890 and based on the
radical movement in
western Ukraine dating from the 1870s, was the first modern Ukrainian political party with a defined program,
mass following, and registered membership. It advocated
socialism, increased rights for Ukrainian
peasants, and
secularism.