Things about the Song Dynasty: A glimpse into Song people’s views on marriage and love from "Do you know, do you know, they should be green, fat, red and thin"
After 40 countries including China, Russia, Japan, and India de-dollarized, the Americans proposed restoring the gold standard, and the driving force behind it emerged.
When the concubine of Emperor Jing of the Han Dynasty came to have her period, she arranged for the maids around her to sleep with her, and an idiom was born.
On the 40th anniversary of the founding of the Army, someone proposed changing Army Day to September 9. Chairman Mao angrily criticized it: "It's nonsense."