[3] The village was part of the Székely Land region of the historical Transylvania province.

The Romanian form of its name was Madefalău; the authorities renamed it for the current official name after 1919.

Following the massacre, a great number of Székely people began to flee the region, crossing the Carpathian Mountains into Bukovina and Moldavia.

During the interwar period, Siculeni fell within plasa Centrală in Ciuc County.

The territory of Northern Transylvania remained under Soviet military administration until March 9, 1945, after which it became again part of Romania.