The Houli culture, a Neolithic culture in Shandong, China, begins around 6500 BCE.

The people of the culture live in square, semi-subterranean houses.

Archaeological evidence shows that domesticated dogs and pigs were used.

The type-site at Houli was discovered in the Linzi District of Shandong.

…conquer Qi, taking the city of Linzi in 221 BCE, and thus bringing to an end the Period of Warring States.

Four principalities are meanwhile besieging the Qi capital Linzi (in modern Zibo, Shandong).

Liu Jianglü, the Prince of Qi, considers surrendering, but his resolve to resist is strengthened when his messenger Lu, who had been captured by the four princes, tells him from under the walls of the capital to resist (even though he is under threat from the four princes to persuade Prince Jianglü to surrender).

Eventually, Luan Bu and Cao Qi, the Marquess of Pingyang, arrive and defeat the four principalities, but at the same time also discover that Qi had initially been part of the conspiracy.

Unable to explain himself, Prince Jianglü commits suicide, but Emperor Jing, with compassion for him, permits his son Liu Shou to inherit the principality.

Not so fortunate are the princes of the four rebelling principalities.

…Linzi (modern Zibo, Shandong), …