Province data
1536 –1548
1548
Battle of Azukizaka (Second, Tenbun 17)
Oda Nobuhide of Owari Province and Imagawa Yoshimoto, seeking to expand influence in Mikawa Province, clashed again at Azukizaka following their encounter in Tenbun 11. The Imagawa forces achieved victory and pushed the Oda forces out of Mikawa.
1548 map — the year of Battle of Azukizaka (Second, Tenbun 17)1549 –1554
今川氏城代
今川氏松平竹千代（元康）は今川方の人質で、岡崎城は今川氏の城代が押さえた。碧海郡の安祥城は1549年に今川方が奪回1549
Recovery of Anjō Castle
Imagawa Yoshimoto ordered Taigen Sessai and others to capture Anjō Castle and seize its lord Oda Nobuhiro. Through hostage exchange, the Matsudaira clan came under the protection of the Imagawa.
1549 map — the year of Recovery of Anjō Castle1555 –1559
1558
Battle of Terabe Castle
Matsudaira Motoyasu is said to have attacked Suzuki Shigetatsu, lord of Terabe Castle, who had defected to the Oda faction while serving the Imagawa. This is said to be his first battle.
1558 map — the year of Battle of Terabe Castle1560
Month 8Return of Motoyasu to Okazaki
Matsudaira Motoyasu (later Tokugawa Ieyasu) returns to Mikawa’s Okazaki, advancing independence from Imagawa.
1560 map — the year of Return of Motoyasu to Okazaki1561 –1562
1563 –1564
1563
Mikawa Ikkō-ikki Begins
Tokugawa Ieyasu's forces clashed with followers of the Honganji school centered on Mikawa's three major temples, and his retainers split between the two sides. The conflict continued until a settlement and suppression in spring 1564.
1563 map — the year of Mikawa Ikkō-ikki BeginsUprising at Honshōji and Shōmanji
Kūsei, abbot of Honshōji, and forces including Hatoya Hannosuke, based at Shōmanji, barricaded themselves in a fortified temple town and confronted Tokugawa Ieyasu's forces.
1563 map — the year of Uprising at Honshōji and Shōmanji1564
Month 1Battle of Azukizaka and Batōgahara
The main Ikkō ikki forces, including followers from Toro and Harisaki, engaged Ieyasu's forces. The uprising's defeat marked its decline and opened the way to a settlement.
1564 map — the year of Battle of Azukizaka and BatōgaharaTokugawa Ieyasu Captures Yoshida Castle
Tokugawa Ieyasu captured Yoshida Castle from the Imagawa side and entrusted Sakai Tadatsugu with the castle and the governance of eastern Mikawa. Imagawa control receded as Ieyasu advanced the unification of Mikawa.
1564 map — the year of Tokugawa Ieyasu Captures Yoshida CastleSettlement of the Mikawa Ikkō Uprising
Tokugawa Ieyasu concluded peace with the Ikkō ikki and disbanded it. He subsequently compelled Ikkō Shōnin temples to convert, demolished their halls, and exiled their abbots.
1564 map — the year of Settlement of the Mikawa Ikkō Uprising1565
1566 –1569
1566
Matsudaira Ieyasu Takes the Tokugawa Name
After pacifying Mikawa, Matsudaira Ieyasu received court approval to adopt the Tokugawa name and was appointed governor of Mikawa, strengthening the legitimacy of his rule.
1566 map — the year of Matsudaira Ieyasu Takes the Tokugawa Name1570 –1580
1570
Month 7Consolidation of Tokugawa Ieyasu’s Power
Capitalizing on victory at Anegawa, Ieyasu strengthens control in Mikawa and Tōtōmi, subduing rivals and building new castles.
1570 map — the year of Consolidation of Tokugawa Ieyasu’s Power1575
6/29Battle of Nagashino and Shitaragahara
The allied forces of Oda Nobunaga and Tokugawa Ieyasu, marching to relieve Nagashino Castle, defeated Takeda Katsuyori at Shitaragahara, where the Takeda lost many senior commanders.
See this battle in detail →1579
Ishikawa Kazumasa Appointed Deputy of Okazaki Castle
After Nobukatsu's suicide, Ishikawa Kazumasa became deputy of Okazaki Castle as one of Tokugawa's senior retainers. He served in this position from 1579 until his defection in November 1585.
1579 map — the year of Ishikawa Kazumasa Appointed Deputy of Okazaki Castle1581
1582
6/23Tokugawa Ieyasu Returns to Okazaki by Crossing Iga
Assisted by people in Kōka and Iga and by the merchant Chaya Shirōjirō, Tokugawa Ieyasu escaped through Iga and reached Okazaki Castle on June 4.
1582 map — the year of Tokugawa Ieyasu Returns to Okazaki by Crossing Iga1583
1584
1585
11/13Ishikawa Kazumasa Defects to Hideyoshi
Ishikawa Kazumasa, a senior retainer of Tokugawa and former deputy of Okazaki Castle, defected to Hideyoshi's side, taking his wife, children, and a hostage from the Shinano Ogasawara family. The defection of this senior retainer, well-versed in Tokugawa military organization, proved a serious setback; it is said that Tokugawa subsequently reformed his military system. The reasons for his defection remain uncertain.
1585 map — the year of Ishikawa Kazumasa Defects to Hideyoshi1586
1587
1588
1589
1590
1591 –1597
1598 –1599
1600
1601 –1602
1603 –1616
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