Page "Oda Nobunaga" Paragraph 21

However, Uesugi Kenshin, said to be the greatest general of his time since the demise of Takeda Shingen, took part in the second anti-Nobunaga alliance.

Following his conquest of neighboring forces, the two sides clashed during the Battle of Tedorigawa which resulted in a decisive Uesugi victory.

It was around this time that Uesugi forces began preparations to march on Kyoto.