Commonwealth period (1935–1946)

Commonwealth period (1935–1946)
Name	Commonwealth period (1935–1946)
Start	1935
End	1946
Capital	Manila
Government	Commonwealth of the Philippines
Leader title	President
Leader name	Manuel L. Quezon
Leader title2	President (in exile)
Leader name2	Sergio Osmeña
Legislature	National Assembly of the Philippines
Predecessor	Insular Government of the Philippine Islands
Successor	Third Republic of the Philippines

Commonwealth period (1935–1946) was the transitional era in which the Philippines prepared for full sovereign independence under a ten-year plan culminating after World War II. It featured constitutional institutions, social programs, and contested sovereignty shaped by leaders such as Manuel L. Quezon and Sergio Osmeña, conflicts including the Battle of Bataan and Battle of Corregidor, and international actors like the United States and Empire of Japan. Key legal instruments included the Tydings–McDuffie Act and the 1935 Constitution of the Philippines, while events such as the Philippine Commonwealth Army mobilization and the Philippine Scouts influenced defense and occupation.

Background and Establishment

The transition followed decades of interactions among Spanish–American War, Philippine–American War, U.S. Congress, and reform movements led by figures like Emilio Aguinaldo, Sergio Osmeña Sr., and Manuel L. Quezon. The passage of the Tydings–McDuffie Act by the United States Congress set a timetable for independence and required drafting of the 1935 Constitution of the Philippines under the supervision of delegates such as Claro M. Recto and Sergio Osmeña. The formal inauguration of the Commonwealth of the Philippines in 1935 installed Manuel L. Quezon as president and created institutions including the National Assembly of the Philippines, the Philippine National Guard, and civil bodies influenced by models from the United States and legal thought of jurists like Pedro Paterno and Jose P. Laurel.

Political Institutions and Governance

Under the 1935 Constitution of the Philippines, the executive led by Manuel L. Quezon coexisted with the National Assembly of the Philippines and a judiciary culminating in the Supreme Court of the Philippines. Political parties such as the Nacionalista Party and factions including allies of Felixberto Serrano and opponents allied with Quezon's Demetrio B. T. Ledesma vied for power, while local leaders like Commonwealth Secretary of Finance officials and provincial governors operated within reorganized municipal codes influenced by Herbert Hoover-era policies. Electoral contests involved personalities including Sergio Osmeña and legislators like Eulogio Rodriguez, with administrative reforms implemented through agencies such as the Bureau of Internal Revenue and civil service commissions modeled after the United States Civil Service Commission.

Economic and Social Developments

Economic policies during the period were shaped by trade legislation, land policies, and public works led by ministers and technocrats like Crispin Beltran and Joaquin Elizalde. Agricultural programs targeted sugar industry interests in Iloilo and Negros Occidental and sought to address tenancy with measures influenced by land reform advocates such as Rafael Palma and urban planners linked to Daniel Burnham’s earlier designs for Manila. Infrastructure projects included roadbuilding, electrification linked to the National Power Corporation precursors, and expansion of education through institutions like the University of the Philippines, Ateneo de Manila University, and Silliman University. Public health campaigns engaged medical leaders such as Juan Salcedo Jr. and combated endemic diseases drawing on expertise tied to the U.S. Public Health Service.

Foreign Relations and Defense

Diplomacy relied on accords such as the Tydings–McDuffie Act alongside military arrangements involving the United States Armed Forces in the Far East and units like the Philippine Commonwealth Army and Philippine Constabulary. Strategic planning engaged commanders including Douglas MacArthur and local officers like Antonio Luna’s legacy debated in staff colleges. Defense procurement and basing issues raised tensions with the United States Navy and influenced regional posture relative to the Empire of Japan and neighbors engaged in Pacific diplomacy such as Australia and China. International representation included missions to the League of Nations era forums and bilateral talks with the United States Department of War and the U.S. State Department.

Japanese Occupation and World War II

The Imperial Japanese Army invasion beginning with attacks in 1941 led to major engagements like the Battle of Bataan and Battle of Corregidor, followed by occupation authorities under the Second Philippine Republic led by Jose P. Laurel. Resistance movements encompassed guerrilla forces organized by leaders like Miguel Malvar and Andres Bonifacio’s symbolic legacy, and intelligence networks liaised with United States Army Forces in the Far East and Alamo Scouts. The Manila Massacre and wartime atrocities by the Imperial Japanese Navy provoked Allied reprisals and postwar trials before tribunals influenced by the International Military Tribunal for the Far East. Liberation campaigns included Leyte landing operations commanded by Douglas MacArthur and amphibious assaults supported by units such as the U.S. Seventh Fleet.

Transition to Independence and Legacy

Following liberation, the continuity of governance transferred to leaders like Sergio Osmeña and then Manuel Roxas as reconstruction under the U.S. Army Corps of Engineers and policies shaped by the Bell Trade Act sought to stabilize production in regions like Cebu and Davao. The formal proclamation of independence in 1946 established the Third Republic of the Philippines and framed debates over sovereignty, economic dependence, and veterans’ benefits for units like the Philippine Scouts. The period’s legacy persists in constitutional jurisprudence from the Supreme Court of the Philippines, memorialization at sites such as the Corregidor Island and museums including the National Museum of the Philippines, and lineage of political parties like the Nacionalista Party influencing postwar leaders including Elpidio Quirino and Ramon Magsaysay.

Category:History of the Philippines