Province data
1552 –1559
後北条氏・長野氏・長尾氏・山内上杉氏残党ほか
諸勢力並立後北条氏の進出と在地勢力・上杉方が交錯1560 –1561
1562 –1566
長野業盛・北条高広・由良成繁ほか
諸勢力並立長野業正の跡を継いだ業盛が箕輪城に拠るあいだに、武田信玄の西上野侵攻で甘楽・碓氷・吾妻が武田方へ移り、東上野では上杉方と後北条方が争った1566
Month 9Takeda Shingen Captures Minowa Castle
Takeda Shingen advanced his invasion of western Kōzuke and captured Nagano Narimori's Minowa Castle in September. The Nagano clan fell, and the castle became a base for Takeda rule in the region.
1566 map — the year of Takeda Shingen Captures Minowa Castle1567 –1569
浅利信種・北条高広・由良成繁ほか
諸勢力並立1566年9月の箕輪城落城で長野氏が滅び、西上野は武田領となって箕輪城に在番衆が置かれた。東上野では厩橋の北条高広が後北条方へ転じ、沼田城は上杉方が保った1567
Kōzuke Splits among Three Powers after the Fall of Minowa
After Minowa Castle fell, the Takeda controlled western Kōzuke. In the east, Kitajō Takahiro of Umayabashi Castle defected to the Later Hōjō while the Uesugi retained Numata Castle, leaving the province divided among three powers.
1567 map — the year of Kōzuke Splits among Three Powers after the Fall of Minowa1570 –1577
1578 –1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
Month 10Seizure of Nagurumi Castle
Inomata Norinao, the Later Hōjō castellan of Numata, seized Nagurumi Castle, which Toyotomi Hideyoshi's settlement had assigned to the Sanada.
1589 map — the year of Seizure of Nagurumi Castle1590
1591 –1597
1598 –1599
1600
1601 –1602
1603 –1615
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