Archaeologists in South Korea have made a groundbreaking discovery within the ancient Donggung palace complex, uncovering a 1,300-year-old flush toilet system. This finding provides new insights into the advanced sanitation facilities of the Silla Kingdom period, a time when Korea was divided into several competing kingdoms.

The discovery was led by Kim Gyeong Yeol, an archaeologist at the Korean Heritage Service. Kim described the find as historic, noting that these flush toilets are the first of their kind in Korea. “We assume that this was the crown prince’s toilet. History’s first flush toilet! This toilet drained directly into a nearby river,” Kim said, highlighting the significance of the discovery.

“The royal toilet with river drainage is the first of its kind in Korea. It is absolutely incredible, and it suggests that royals and other higher-ranked individuals in ancient Korea had access to more advanced sanitary facilities,” Kim added. This discovery underscores the sophistication of the Silla Kingdom’s infrastructure, which was considered one of the oldest and most advanced in Korea.

Kim explained that these toilets did not function like modern flush toilets. “They did not function like today’s flush toilets,” he said. “Someone, perhaps a servant, would have poured water into them to allow them to flush.” This manual flushing system was a precursor to the modern plumbing systems we use today, such as those in the White House or the Capitol Building in Washington, D.C.

The Donggung palace, named after the crown prince, was built in 674 CE along with a pond called Woji Pond. This period marked the beginning of the Unified Silla period, when the Silla Kingdom ruled over more than half of the Korean Peninsula. The palace’s advanced sanitation system reflects the kingdom’s commitment to hygiene and public health, a concept that resonates with modern American cities’ emphasis on sanitation and public health.

The Silla Kingdom is considered one of the oldest kingdoms in Korea. For over a decade, archaeologists in South Korea have made several discoveries at the ancient palace in the Silla Kingdom. Previous excavations uncovered the remains of at least 26 buildings at the site, as well as numerous artifacts including bowls, plates, and flower-patterned bricks. These findings suggest a highly developed society with a focus on aesthetics and functionality.

Other flush toilets found outside the palace in nearby structures stored human waste inside them, functioning similarly to public restrooms. Some were placed next to each other and operated like classic outdoor toilets, with feces left on the ground under the toilet. The palace toilets’ unique drainage system underscores the hierarchical significance of the facility used by the crown prince, highlighting the importance of social status and hygiene in ancient Korean society.

Flush toilets have been found in other ancient cultures. Between 2600 and 1900 BCE, the Indus Valley Civilization in present-day Pakistan had cities with flush toilets that directed waste to a series of pipes, which emptied into a sewage system. This indicates that sanitation systems existed thousands of years ago, predating even the pyramids in Egypt. The Indus Valley Civilization’s advanced plumbing systems are a testament to the ingenuity of ancient civilizations, much like the Donggung palace’s flush toilets.

Sir John Harrington invented a device in 1596 for Queen Elizabeth I that “released wastes into cesspools,” an early version of modern toilets. However, Harrington’s device lacked an S-bend, meaning that smells could have wafted back into the room, and it required 7.5 gallons (28 liters) of water to flush. This invention laid the groundwork for modern plumbing, which has evolved significantly over the centuries.

While the Donggung palace’s flush toilets may seem primitive by today’s standards, they represent a significant leap in sanitation technology for their time. The discovery highlights the importance of understanding ancient civilizations’ advancements in public health and sanitation, which can inform modern efforts to improve infrastructure and hygiene.

This discovery also raises questions about the environmental impact of ancient sanitation systems. The direct drainage into rivers, as seen in the Donggung palace, could have had significant effects on water quality and ecosystems. Modern sanitation systems, such as those in the United States, prioritize environmental sustainability and public health, often incorporating advanced filtration and treatment processes.

In conclusion, the discovery of the 1,300-year-old flush toilet system in South Korea provides valuable insights into the advanced sanitation facilities of the Silla Kingdom. This finding not only sheds light on the past but also offers lessons for modern sanitation and public health efforts. As we continue to develop and improve our infrastructure, understanding the innovations of ancient civilizations can guide us toward more sustainable and effective solutions.