1524: The Capture of Edo Castle and Matsudaira Kiyoyasu's Entry into Okazaki - Sengoku Shogun Map
Hōjō Ujitsuna defeated Ōgigayatsu Uesugi Tomooki at Takanawahara in January and captured Edo Castle as a base for expansion into Musashi. In Mikawa, Matsudaira Kiyoyasu captured Yamanaka Castle, entered Okazaki Castle, and is said to have opened a market in the castle town.
Major events
- 1524-01: Battle of Takanawahara and Capture of Edo Castle — On the thirteenth day of the first month, Hōjō Ujitsuna defeated Ōgigayatsu Uesugi Tomooki at Takanawahara and, aided by Ōta Suketaka's defection, captured Edo Castle as a base for expansion into Musashi.
- 1524-月日不詳: Matsudaira Kiyoyasu Enters Okazaki Castle — After capturing Yamanaka Castle, Matsudaira Kiyoyasu entered Okazaki Castle and is said to have granted his retainer Ōkubo Tadashige authority over the market, a turning point in the development of Okazaki's castle town and commerce.