The History of Ninja
period
671
Fujiwara no Chikata Orders Four Demons to Plot to Kill the Emperor and His Organization.
Fujiwara no Chikata ordered four demons with special abilities, the Kinki, Fuuki, Suiki, and Ongyo-ki, to attempt to kill the emperor and people of his organization. Fujiwara no Chikata was killed by Kino Tomo-o, who had come to Iga to conquer the region. Ninjutsu of Iga ninja was created by these four demons, and this led to the spread of the art of ninjutsu among the samurai of Iga.
The study of Iga in the newly edited Taiheiki
period
Todaiji Temple Monk Sues Akuto (samurai who rebelled against the shogunate and lords of manors) in Kuroda no Sho
In Kuroda no Sho (present-day Nabari city in Mie Prefecture) from the late Kamakura Period to the Nanbokucho Period (the period of two emperors), Akuto appeared several times and rebelled against Todaiji temple, the lord of the manor. They are said to be the origin of the ninja.
Todaiji Temple documents
Period
1540
Eleven Ninjutsu Masters in Iga
There were 11 people who excelled at ninjutsu. O-imagodayu of Nomura, Kotaro of Shindo, Do-jun of Tateoka, Kizaru Kozaru of Shimotsuge, Hidari of Ueno, Hachiemon of Yamada, Konan of Kanbe, Kido, Kouyama Taroushirou and Dotarouzaemon of Otowa.
Bansenshukai
Iga Ninjas Sneak into Kasagi Castle and Set It on Fire
On November 18, 1541, the Niki clan attacked Kasagi Castle with a Iga and Koka force of 70 to 80. They succeeded in sneaking into the castle and setting fire to part of the castle buildings, but two days later, the Kizawa side counterattacked and killed more than 30 people.
Tamoninnikki
Eleven Iga Ninja Were Killed in Battle at Yamatotakada Castle
On December 12, 1555, eleven Iga ninja were fighting at Yamatotakada Castle, but all those in the castle died because reinforcements were too late.
Kyoroku Tenbun no Ki
The Iga Sokoku Ikki (Ikki means a group of warriors and farmers organized for a common purpose) is established.
A group organized by the Kunibito (people who control villages) and Shoryoshu(people who control a certain amount of land) of Iga Province to protect their own territory. Based on the Okitegaki (a book containing rules), it is thought that they were organized to oppose the Miyoshi clan’s attacks. They also cooperated with the Koka.
Yamanaka Document
Kizaru (said to have been the model for Sarutobi Sasuke) Led the Iga Clan to Take Yamato To-chi Castle.
On the night of March 19, 1560, Iga clan led by Kizaru attacked To-chi Castle, defeated To-chi Tohkatsu, and left for Toyota Castle.
Kyoroku Tenbun no Ki
Okabe Motonobu Forces Iga Clan to Attack Kariya Castle
After the Battle of Okehazama, Okabe Motonobu, a member of the Imagawa family, attacked Kariya Castle (present-day Aichi Prefecture) on his way back to Sunpu (present-day Shizuoka Prefecture) and had dozens of Iga clan follow over a hundred soldiers and set it on fire, killing the castle owner, Mizuno Nobuchika. Gemba no Jo, a member of the Mizuno family, then quickly rushed to the scene, and more than 30 Shinobi (ninja) of the Hattori party (Shinobi led by Hattori Tomosada) of Iga were killed.
Zouho Ietada Nikki Mizunoki Mikawa Monogatari
Igasaki Do-jun Attacked the Castle of the Momochi Clan
In 1561, Rokkaku Yoshikage attacked the Momochi clan at Sawayama Castle with 44 Iga ninja and 48 Koka ninja. At this time, Igasaki do-jun played an important role by using “Bakemono no Jutsu” (the art of bewitching the opponent).
Bansenshukai
Iga Clan of the Azai Army Set Fire to Taio Castle
On July 1, 1561, Imai Sadakiyo asked for reinforcements from the Azai army attacking Taio Castle and decided to have Iga clan attack the castle at night. Iga ninjas snuck into Taio Castle and set it on fire.
Shima Records
200 Iga Clan Join Against Matsunaga Hisahide
A letter from Matsunaga Hisahide on December 20, 1562, mentions that 200 Iga clan came as soldiers for Hisahide Matsunaga’s enemies.
Yagyu Documents
Participated in the Battle of Yasugawara as a Member of the Rokkaku Side
On June 4, 1570, the Rokkaku clan incited a Ikki and fought against the forces of Sakuma Nobumori and Shibata Katsuie at Ochikubo. It is said that 780 Iga, Koga, and other samurai who joined Rokkaku’s side were killed.
Nobunagako-ki
Ashikaga Forces Holed Up at Ishiyama Fort with Yamaoka Kagetomo
In February 1573, Shogun Ashikaga Yoshiaki rebelled against Nobunaga, and with Yamaoka Kagetomo as general, the Iga and Koka forces were drawn out and holed up in the Ishiyama fortress.
Nobunagako-ki
Momoyama
Period
Suffer Nobunaga’s Army in the Ise Nagashima Ikki
During Nobunaga’s attack on Nagashima, the best marksmen from Iga and Koka, who had joined the revolt, gathered to ambush the revolt and fired in rapid succession, striking down countless soldiers of Oda’s army
Nobunagako-ki
1575
Kitabatake Tomonori of Ise Builds Maruyama Castle
Around 1575, Kitabatake Tomonori plans to make Iga province his own land and builds Maruyama Castle as his base. He fell out with Nobunaga and was killed the following year.
Iranki
Battle of Maruyama Castle
Shimoyama Kai of Nabari sent Oda Nobuo to attack Iga and tried to rebuild Maruyama Castle again with Takigawa Saburobe as general. The Iga clan attacked Maruyama Castle before it was completed and defeated Takigawa.
Iranki
First Tensho Iga War
Oda Nobuo attacked Iga with 8,000 soldiers from three directions: Awaguchi, Umanoguchi, and Isejiguchi. The Iga clan fought back.
Iranki
Iga Clan Sneak Into Castle in Yamato Province
Iga clan sneaked into the castle of the Sakaibe in Uchi County, Yamato Province, in the middle of the night, but were probably chased off or killed by Futami Mitsuzoin.
Inukai Family Documents
Second Tensho Iga War
A battle in which Oda Nobunaga attacked Iga with over 100,000 soldiers.
Iranki
Shinkun Iga Goe
An incident in which Ieyasu, who was in Sakai (present-day Osaka Prefecture) after the Honnoji Incident, returned to Mikawa through Iga. It is said that Iga ninja helped him to hide.
Ishikawa Tadahusa Tomegaki
Fifty Iga ninja participated in the Osaka no Jin
Sokokushi
Ten iga ninjas were hired as domain warriors.
During the Osaka Fuyu no Jin (war), 10 Iga ninjas are recruited through the intercession of Ishida Seibei.
Todo Takatora have Iga ninja investigate betrayal by the Echizen domain.
Suspecting betrayal by Matsudaira Tadanao, lord of the Echizen Kitanosho (Fukui) domain, Todo Takatora releases Iga ninja to the Echizen domain
Koshitsu Nenpuryaku
Todo clan reinforces deportation of Iga residents serving other countries.
Prohibits Iga residents from serving other countries.
Sokokushi
Fujibayashi compiles “Bansenshukai” (compilation of various books into a new book).
Kikuoka Nyogen compiled “Iranki”.
Sawamura Jinzaburo Yasusuke investigates the Kurofune (ship of Perry)
Sawamura Yasusuke, an Iga of the Todo clan, boarded a Kurofune and received 2 pieces of bread, 2 leaves of tobacco, 2 candles, and 2 pieces of paper written in Dutch, which he brought back.
Sawamura Family Documents
Reference site : 忍びの館 (https://ninja-yakata.net/)