Wakisaka Yasuharu (脇坂 安治; 1554 – September 26, 1626), sometimes referred to as Wakizaka Yasuharu, was a daimyo (feudal lord) of Awaji Island who fought under a number of warlords over the course of Japan's Sengoku period. Events February 12 - After claiming the throne of England the previous year, Lady Jane Grey is beheaded for treason alongside her husband. ... September 26 is the 269th day of the year (270th in leap years) in the Gregorian Calendar, with 96 days remaining. ... Events September 30 - Nurhaci, chieftain of the Jurchens and founder of the Qing Dynasty dies and is succeeded by his son Hong Taiji. ... Awaji Island (Jp. ... The Sengoku Period (戦国時代 Sengoku jidai) or warring-states period, is a period of long civil war in the history of Japan that spans from the middle 15th to the early 17th centuries. ...

Wakisaka originally served under Akechi Mitsuhide, a vassal of Oda Nobunaga. In 1581, he was one of several who led Nobunaga's troops in the Siege of Hijiyama. The following year, Akechi betrayed Oda Nobunaga and took his power and lands, but was defeated two weeks later at the Battle of Yamazaki. Shrine to Akechi Mitsuhide, Kyoto Akechi Mitsuhide (明智 光秀 Akechi Mitsuhide, 1528 – July 2, 1582), nicknamed Jubei, was a samurai who lived during the Sengoku period of Feudal Japan. ... Oda Nobunaga Oda Nobunaga (織田 ä¿¡é•· Oda Nobunaga, June 23, 1534 - June 21, 1582) was a major daimyo during the Sengoku period of Japanese history. ... Events January 16 - English Parliament outlaws Roman Catholicism April 4 - Francis Drake completes a circumnavigation of the world and is knighted by Elizabeth I. July 26 - The Northern Netherlands proclaim their independence from Spain in the Oath of Abjuration. ... The Battle of Yamazaki was fought in 1582 in Yamazaki, Japan. ...

Wakisaka then joined the victor, Hashiba Hideyoshi, who had become a conspicuous figure as a retainer of Oda Nobunaga. Following the Battle of Shizugatake in 1583, Wakisaka came to be known as one of the shichi-hon-yari (七本槍), or Seven Spears of Shizugatake. These Seven would be among Hideyoshi's most trusted generals, especially in naval combat. Wakisaka was granted the fief of Awaji Island, worth 30,000 koku, in 1585. He was then made commander of part of Hideyoshi's fleet, taking part in Hideyoshi's 1587 campaigns in Kyushu, the 1590 Siege of Odawara, and the invasions of Korea, which took place from 1592 to 1598. Hideyoshi in old age. ... Oda Nobunaga Oda Nobunaga (織田 ä¿¡é•· Oda Nobunaga, June 23, 1534 - June 21, 1582) was a major daimyo during the Sengoku period of Japanese history. ... The Battle of Shizugatake took place in 1583 in Japan. ... Events August 5 - Sir Humphrey Gilbert establishes first English colony in North America, at what is now St Johns, Newfoundland. ... Awaji Island (Jp. ... A koku (石) is a quantity of rice, historically defined as enough rice to feed one person for one year, then as 180. ... Events January 12 - The Netherlands adopts the Gregorian calendar Beginning of the Eighth War of Religion in France (also known as the War of the Three Henrys) August 8 - John Davis enters Cumberland Sound in quest for the North West Passage. ... Events February 8 - Mary, Queen of Scots is beheaded at Fotheringhay Castle in England after she is implicated in a plot to murder her cousin, Queen Elizabeth I. July 22 - Colony of Roanoke: A group of English settlers arrive on Roanoke Island off of North Carolina to re-establish the... Kyushu region, Japan Kyushu (九州) is the third largest island of Japan and most southerly and westerly of the four main islands. ... Events March 14 - Battle of Ivry - Henry IV of France again defeats the forces of the Catholic League under the Duc de Mayenne. ... The third siege of Odawara (小田原征伐, odawaraseibatsu) occurred in 1590, and was the primary action in Toyotomi Hideyoshis campaign to eliminate the Hōjō clan as a threat to his power. ... The Seven-Year War was the conflict from 1592 to 1598 on the Korean peninsula, following two successive Japanese invasions of Korea. ... Events January 30 - The death of Pope Innocent IX during the previous year had left the Papal throne vacant. ... Events January 7 - Boris Godunov seizes the throne of Russia following the death of his brother-in-law, Tsar Feodor I April 13 - Edict of Nantes - Henry IV of France grants French Huguenots equal rights with Catholics. ...

In 1600, Wakisaka was going to side with Tokugawa Ieyasu, but was compelled to oppose him, siding with Ishida Mitsunari, because Mitsunari raised Wakisaka's army when he stayed in Osaka. On October 21, sometime during the decisive battle of Sekigahara, Wakisaka switched sides along with Kobayakawa Hideaki. He defeated Otani Yoshitsugu's force, and contributed to the Tokugawa victory. // Events January January 1 - Scotland adopts January 1st as being New Years Day February February 17 - Giordano Bruno burned in a stake for heresy July July 2 - Battle of Nieuwpoort: Dutch forces under Maurice of Nassau defeat Spanish forces under Archduke Albert in a battle on the coastal dunes. ... Shogun Tokugawa Ieyasu Tokugawa Ieyasu (previously spelled Iyeyasu); 徳川 家康 (January 31, 1543 – June 1, 1616) was the founder of the Tokugawa bakufu of Japan which ruled from the Battle of Sekigahara in 1600 until the restoration of the monarchy in 1868. ... Ishida Mitsunari (石田 三成 Ishida Mitsunari 1560-1600) was a samurai who led the West side in the Battle of Sekigahara. ... October 21 is the 294th day of the year (295th in leap years) in the Gregorian Calendar, with 71 days remaining. ... The Battle of Sekigahara (関ヶ原の戦い Sekigahara-no-tatakai) was a decisive battle on September 15, 1600 (on the ancient Chinese calendar, October 21 on the modern calendar) that cleared the path to the Shogunate for Tokugawa Ieyasu. ... Kobayakawa Hideaki (小早川秀秋, 1582-December 1, 1602) was fifth son of Kinoshita Iesada and the nephew of Toyotomi Hideyoshi. ...

After the battle, Tokugawa allowed Wakisaka to continue governing his domain of Awaji.

In succeeding years, he was given another fief, at Ozu, Iyo Province, worth 53,000 koku. His son, Wakisaka Yasumoto, succeeded to the house after his death. The article incorporates text from OpenHistory. ...

Reference

• Turnbull, Stephen (1998). 'The Samurai Sourcebook'. London: Cassell & Co.