was a daimyo

Daimyo

is a generic term referring to the powerful territorial lords in pre-modern Japan who ruled most of the country from their vast, hereditary land holdings...

 of Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

. He was the son of Kuroda Kanbei

Kuroda Kanbei

, other name Kuroda Kanbei , was a Japanese daimyo of the late Sengoku through early Edo periods. Renowned as a man of great ambition, he was a chief strategist under Toyotomi Hideyoshi.-Early Life:...

.

In 1577, When Nagamasa was a small child, his father was condemned as a spy by Oda Nobunaga

Oda Nobunaga

was the initiator of the unification of Japan under the shogunate in the late 16th century, which ruled Japan until the Meiji Restoration in 1868. He was also a major daimyo during the Sengoku period of Japanese history. His opus was continued, completed and finalized by his successors Toyotomi...

. Nagamasa was kidnapped and nearly killed as a hostage. Takenaka Hanbei ended up rescuing him.

Nagamasa served under Tokugawa Ieyasu

Tokugawa Ieyasu

 was the founder and first shogun of the Tokugawa shogunate of Japan , which ruled from the Battle of Sekigahara  in 1600 until the Meiji Restoration in 1868. Ieyasu seized power in 1600, received appointment as shogun in 1603, abdicated from office in 1605, but...

 during the Battle of Sekigahara

Battle of Sekigahara

The , popularly known as the , was a decisive battle on October 21, 1600 which cleared the path to the Shogunate for Tokugawa Ieyasu...

. His men killed Shima Sakon, securing victory for the Eastern army.
He also participated in the first Korean campaign (1592-93), leading 6000 men.

Later he participated in the Osaka Castle campaigns.

Media

Nagamasa is a playable character from the Eastern Army in the original Kessen

Kessen

is a PlayStation 2 launch title produced by Koei and published by Electronic Arts. This was the first DVD-ROM format game for the PS2. It was initially the only real-time wargame game available for the PlayStation 2....

.

Kuroda is also a popular historical figure. His life, and his relationship to Tokugawa, has been dramatized many times in the annual NHK Taiga Drama

Taiga drama

is the name NHK gives to the annual, year-long historical fiction television series it broadcasts in Japan. Beginning in 1963 with the black-and-white Hana no Shōgai, starring kabuki actor Onoe Shōroku and Takarazuka star Awashima Chikage, the network has hired a producer, director, writer, music...

series.

• Taikoki (1965)
• Hara no Sakamichi (1971)
• Ougon no Hibi (1978)
• Onna Taikoki (1981)
• Tokugawa Ieyasu (1983)
• Kasuga no Tsunobe (1989)
• Hideyoshi (1996)
• Aoi Tokugawa Sandai (2000)
• Komyo ga Tsuji (2006)