During World War I, the village was almost completely destroyed in the Battles of the Isonzo. After the collapse of Austria-Hungary in 1918, it became part of the Kingdom of Italy, together with all the County of Gorizia and Gradisca. Its predominantly Slovene population suffered under the policies of Fascist Italianization from the 1920s to 1940s. In 1925, it was abolished as a separate municipality and merged with Gorizia. Nevertheless, Solkan remained a separate settlement because of the hindered urban expansion of Gorizia after the annexation to Italy. During World War II, it became one of the major centers of Partisan resistance in the Julian March.