1940 Philippine constitutional plebiscites

Plebiscites were held on June 18, 1940 in the Philippines to ratify the following amendments to the Constitution: the extension of the tenure of the President and the Vice-President to four years with reelection for another term; the establishment of a bicameral Congress of the Philippines, with the Senate as the upper house and the House of Representatives as the lower house; and the creation of an independent Commission on Elections composed of three members to supervise all elections and plebiscites.