The Catholic Defender: The Catholic Church during Korea

The U.S. Army chaplain and Medal of Honor recipient who served in World War II and the Korean War died in a POW camp in Korea on May 23, 1951. The Catholic Church declared him “Venerable” In 2025. 

“Father Kapaun had a unique reputation amongst chaplains. He was known as a tough guy,” says Rob Knapp, president of Kapaun Mt. Carmel Catholic High School in Wichita, Kansas.

Col. Ray Michael Dowd Jr., a former POW with Father Kapaun, recalls, “Father would go to the sound of the guns.” The testimony of Dowd, who died in 2025, is particularly moving.

The Catholic Church in Korea holds a unique place in global Christian history because it was founded entirely by laypeople and scholars rather than foreign missionaries. In the late 18th century, Korean diplomats and academics traveling to Beijing encountered Western books and Jesuit teachings. Intrigued by "Seohak" (Western Learning), they began studying the faith independently. In 1784, a scholar named Yi Seung-hun was baptized in China under the name Peter and returned to Korea, officially launching the domestic Church by baptizing his peers. 

Dynamic Overviews of Korean Catholic History

Era of Persecution (1785–1886)

For its first century, the Catholic community operated underground and faced violent government clampdowns under the Joseon Dynasty. 

The Conflict: The Joseon state considered Neo-Confucianism the bedrock of its social order. Catholicism was viewed as a dangerous subversion because it opposed ancestral worship—which the Church categorized as idolatry—and preached universal equality before God. 

The Martyrdoms: Major state-sponsored purges occurred in 1801 (Sinyu Persecution), 1839, and 1866 (Byeongin Persecution). An estimated 10,000 Catholics were executed, including Korea’s first native priest, St. Andrew Kim Taegon, who was beheaded at age 25. 

Canonization: In 1984, Pope John Paul II traveled to South Korea and canonized 103 Korean Martyrs, a historic group that included St. Andrew Kim Taegon and lay leader St. Paul Chong Hasang. 

Post-Division Divergence (1945–Present)

Following World War II and the subsequent Korean War, the geopolitical split of the peninsula resulted in two completely distinct realities for the Catholic faithful:

1. South Korea (Explosive Growth)

Demographic Boom: The South Korean Church expanded rapidly, swelling by 1,200 percent over the past century. In the 1970s, there were roughly 500,000 Catholics; today, that number exceeds 6 million, or about 11.4% of the population. 

Social Role: The Church gained immense public trust by championing human rights, providing community welfare, and standing as a moral voice during the country's pro-democracy movements against military dictatorships. 

Global Hub: South Korea is now a vibrant source of international missionaries. Reflecting its prominence, Seoul is scheduled to host the Catholic Church's global World Youth Day in 2027. 

2. North Korea (The "Silent" Church)

The Crackdown: Prior to the division, a massive portion of the peninsula's Christian population lived in the north. Following the rise of Kim Il Sung, the communist government brutally suppressed religion, branding Christians as imperialist collaborators.

Current Status: All independent, underground dioceses were effectively dismantled, leaving no active parish priests. The state established the Korean Catholic Association in 1988 to manage a single official facility, the Changchung Cathedral in Pyongyang. However, international observers treat this as a government-controlled front rather than a freely operating church. Humanitarian organizations like Caritas Internationalis are occasionally granted restricted entry to run hospitals and aid programs.

The Bridge of Freedom is a highly historic, temporary wooden footbridge located at the Imjingak complex in Paju-si, Gyeonggi-do, South Korea. It stands as one of the most powerful and moving symbols of the tragedies, cold war tensions, and hopes for reunification stemming from the Korean War.

I had the chance of being on this bridge staying on the South side. Right at the38th parallel

The 38th parallel north is a circle of latitude 38 degrees north of the Earth's equator that famously served as the pre-Korean War boundary between North Korea and South Korea.

Post-WWII Division: U.S. military planners chose the line in July 1945 at the Potsdam Conference to divide the Korean peninsula into occupation zone.

National Geographic map to pick the 38th parallel because it split the country roughly in half while leaving the capital, Seoul, under U.S. control. 

Korean War: North Korean troops crossed the line to invade the South on June 25, 1950.