Chang Myon

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Lore & Background

Under Japanese colonial rule, Chang Myon worked in education as a teacher, administrator, and principal. He later became a major political figure in the First Republic under Syngman Rhee, serving as the country’s first ambassador to the United States and, in 1950, successfully appealing to the United States and the UN to send troops to assist in the Korean War. He was appointed prime minister of the First Republic in November 1950 and later served as vice president from 1956 to 1960. Following the student-led April Revolution that ousted Rhee, Chang was elected prime minister of the Second Republic in 1960, becoming head of government under a newly adopted parliamentary system. His administration ended when Park Chung Hee led a successful military coup on May 16, 1961. Chang was also a Roman Catholic youth activist and a lay leader, having translated religious texts into Korean and published works such as *The Summary of Religious Terms* and *An Outline of Joseon Catholic History*. He studied in the United States at Manhattan College, graduating in 1925, and was received by Pope Pius XI. He was the first son of a revenue officer and customs superintendent, married Kim Ok-yun in 1916, and had six sons and three daughters.

Reader's Guide

Chang Myon was a central figure in South Korea’s transition from the authoritarian First Republic to the short-lived parliamentary Second Republic. His career spanned education, diplomacy, and governance. Under Japanese colonial rule, he worked as a teacher, administrator, and principal. In 1948, he led the Republic of Korea’s delegation to the UN General Assembly, witnessing UN recognition of South Korea as a sovereign state. He became the country’s first ambassador to the United States in 1949. During the Korean War, he successfully appealed to the US and UN for military assistance. He served as prime minister of the First Republic from November 1950 and later as vice president from 1956 to 1960. After the April Revolution ousted Syngman Rhee, Chang was elected prime minister of the Second Republic in 1960, becoming head of government under a newly adopted parliamentary system. His administration represented a brief democratic interlude, ending when Park Chung Hee’s military coup succeeded on May 16, 1961. Chang’s significance lies in his embodiment of this democratic experiment and his role as a bridge between authoritarian and parliamentary governance in South Korea’s modern political history.

Did You Know?

• Chang Myon was elected prime minister by a margin of only three votes, representing the Democratic Party's 'New Faction'.
• During his premiership, from December 1960 to April 1961, the price of rice increased by 60 percent and unemployment remained above 23%.
• Chang was accused of manipulating the purge list of Rhee-era appointees to favour wealthy businessmen and powerful generals.
• His democratically elected government was overthrown by the May 16 military coup d'état in 1961, organized by Park Chung Hee.
• Chang Myon served as the first ambassador to the United States and appealed for UN troops during the Korean War.

Rise to the Premiership in the Second Republic

A new constitution vested real executive authority in the prime minister and cabinet rather than in a ceremonial head of state. When legislative elections on June 29 resulted in a landslide victory for the Democratic Party—reducing Rhee's Liberals to a mere two seats in the newly constituted lower house of the National Assembly—former vice-president Chang Myon was elevated to the premiership. Representing the Democratic Party's 'New Faction', Chang secured the post by a thin margin of three votes. President Yun Posun, a fellow Democrat, was elected as president in August, serving as figurehead head of state. For Chang, the role carried enormous expectations: a government freshly minted in the wake of popular uprising, tasked with repairing an economy and a political culture still scarred by years of authoritarian rule.

Governing Amid Economic and Political Crisis

From the moment the Second Republic took shape, Chang Myon's administration was besieged by contradictions it could scarcely manage. The Democratic Party was riven by bitter internal factionalism that consumed political energy and undermined coherent policymaking. The South Korean economy deteriorated under heavy inflation and high rates of unemployment, while recorded crime rates more than doubled; from December 1960 to April 1961, the price of rice increased by 60 percent, while unemployment remained above 23%. Widespread food shortages resulted. Compounding these structural failures, the government's effort to purge Rhee-era appointees from public office was rendered ineffective in the public eye by Chang's manipulation of the suspect list to favour wealthy businessmen and powerful generals. Despite the change in leadership at the top, the 'liberation aristocrats' remained in power, and the worsening problems facing South Korea proved insurmountable for the new government.

The Coup and the Collapse of Civilian Rule

The May 16 military coup d'état was organized and carried out by Park Chung Hee and his allies, who formed the Military Revolutionary Committee. The operation was nominally placed under the authority of Army Chief of Staff Chang Do-yong, whose acquiescence on the day of the action lent it a veneer of institutional legitimacy. In practice, the coup rendered powerless the democratically elected government of Prime Minister Chang Myon and President Yun Posun, ending the Second Republic and installing a reformist military Supreme Council for National Reconstruction effectively led by Park, who took over as chairman after Chang Do-yong's arrest in July. The coup's success was facilitated in part by the paralysis of the Military Security Command, which had been demoralized by the political chaos and the administrative purges racking the army. For Chang Myon, the event marked the abrupt and final end of his premiership and of South Korea's brief parliamentary interlude.

Contested Legacy of the Overthrow

The overthrow of Chang Myon's government and the installation of Park Chung Hee's military regime remain among the most debated episodes in South Korean political history. Park and his supporters framed the May 16 takeover as a 'military revolution'—'a new, mature national debut of spirit'—rather than a simple coup, and they credited it with unleashing the developmentalist elite that would drive the country's rapid industrialization. Critics, however, emphasize the suppression of democratic institutions and civil liberties that followed, as well as the political purges carried out in the coup's wake. The characterization of the event as a revolution has never achieved consensus; historians continue to contest its nature and significance. Historians like Yong-Sup Han argue that the common view of the coup as caused solely by the vagaries of a new regime paralyzed by instability is too simplistic, arguing instead that deeper structural roots trace back to the late Rhee period. For Chang Myon, the episode stands as the definitive moment when elected civilian authority was displaced by military rule.