Hiroshima

Lore & Background

Hiroshima is situated on the delta coastline of the Seto Inland Sea in western Honshu, Japan, and serves as the capital of Hiroshima Prefecture. The city was founded in 1589 as a castle town on the Ōta River delta, with its name meaning "wide island" in Japanese. Following the Meiji Restoration in 1868, it rapidly industrialized, becoming a major urban center and port city after the construction of Ujina Harbor in the 1880s and the extension of the San'yō Railway in 1894. Hiroshima was a significant military hub during the imperial era, hosting the Second General Army and Chūgoku Regional Army headquarters during World War II, and it was the first city in history to be targeted by a nuclear weapon, on August 6, 1945. The atomic bomb destroyed about 70% of the city's buildings. The only structure still standing near the hypocenter was the Hiroshima Prefectural Industrial Promotion Hall, now preserved as the A-Bomb Dome, part of the Hiroshima Peace Memorial, a UNESCO World Heritage Site since 1996. Rebuilt after the war, Hiroshima is now the largest city in the Chūgoku region, with an estimated population of 1,199,391. The Hiroshima Urban Employment Area had a gross domestic product of US$61.3 billion as of 2010, and the metropolitan area is the second largest in the Chugoku Region after Okayama.

Reader's Guide

Hiroshima's significance lies in its role as the first city to suffer a nuclear attack, an event that fundamentally altered warfare and global politics. The bombing ended World War II but also initiated the nuclear age, raising profound ethical questions about weapons of mass destruction. The city's reconstruction and its Peace Memorial Park and Museum have become global symbols of peace and a call for nuclear disarmament. Hiroshima's transformation from a military hub to a peace advocate underscores its legacy. The city's official flower, the oleander, was the first to bloom after the explosion, symbolizing resilience. The suppression of information about the bombing's effects during the Allied occupation highlights the complex politics of memory. Today, Hiroshima is the largest city in the Chūgoku region, embodying both tragedy and hope.

Did You Know?

• The oleander is the official flower of Hiroshima because it was the first to bloom after the atomic bomb explosion.

From Fishing Village to Castle Town

Long before it became a major Japanese city, the land now occupied by Hiroshima was nothing more than a modest fishing settlement nestled along the shores of Hiroshima Bay. By the twelfth century the village had grown prosperous, its economy tied to the Zen Buddhist temple Mitaki-dera, and its trade networks expanded under the patronage of the Taira clan. The city's name itself, meaning 'wide island' in Japanese, likely reflects the broad river delta on which it was built. Terumoto's political fortunes reversed after his defeat at the Battle of Sekigahara, and Tokugawa Ieyasu stripped him of most of his fiefs.

Industrial Hub and Military Crossroads

The city's economy shifted from rural agriculture toward urban industry, and by the 1870s it hosted one of only seven government-sponsored English-language schools in the country. Hiroshima officially received city status in 1889.

The Day the World Changed

During World War II, Hiroshima served as headquarters for the Second General Army and the Chūgoku Regional Army, with the Army Marine Headquarters stationed at Ujina port. The city held vast military supply depots and functioned as a critical shipping node. Remarkably, unlike Tokyo and other Japanese cities that suffered devastating firebombing campaigns, Hiroshima had not been subjected to aerial attack—though the threat was recognized, and schoolchildren aged eleven to fourteen were conscripted to tear down houses and create firebreaks. The explosion directly killed at least seventy thousand people, including thousands of Korean forced laborers, with fewer than ten percent of the dead being military personnel. Approximately seventy percent of all buildings were obliterated and another seven percent severely damaged. By year's end, radiation sickness and injuries had pushed the death toll to between ninety thousand and one hundred and sixty-six thousand.

Rebuilding and the Living Memorial

In the aftermath of the bombing, Hiroshima rose from near-total destruction to become the largest city in the Chūgoku region of western Honshu. Today, with a population exceeding 1.19 million and a metropolitan GDP surpassing sixty billion dollars, it stands as the second-largest urban area in the Chugoku Region, trailing only Okayama. At its heart stands the A-Bomb Dome—the skeletal remains of what was once the Prefectural Industrial Promotion Hall, the sole structure left standing near the hypocenter. Preserved as a ruin by state decree, it serves as an unflinching reminder of the blast's force. The broader memorial grounds and the city's ongoing peace advocacy ensure that Hiroshima's story extends far beyond a single catastrophic morning, becoming a permanent call for the abolition of nuclear weapons.