During the Warring States Period of the Battle of Maling, Qi and Wei weakened Wei and strengthened Qi.
During the Warring States Period of the Battle of Guiling, Qi and Wei weakened Wei and strengthened Qi in Guiling.
In the battle of Changping, the leaders of the Warring States and Zhao laid the foundation for the reunification of Qin.
In the battle of Guandu at the end of the Eastern Han Dynasty, Guandu Cao and Yuan Shao laid the foundation for Cao Cao to unify the north.
At the end of the Eastern Han Dynasty, Battle of Red Cliffs, Cao Cao and Sun Liu joined forces in Chibi, laying the foundation for the tripartite confrontation among the three countries.
The Battle of Surabaya Before Surabaya in the Eastern Jin Dynasty, the Qin Dynasty was destroyed, and the Eastern Jin Dynasty was temporarily peaceful.