How could express letters be delivered so efficiently in ancient times?

How to deliver letters expeditedly over 800 miles in ancient times

Expedited delivery over 800 miles is an ancient way of delivering urgent express mail. In ancient times, file transmission relied on inns. Generally, there was an inn every 20 miles. According to regulations, the distance was 300 miles per day. However, in case of emergency, it could be 400 miles, 600 miles per day, or up to 800 miles at the fastest. In order to send border information to the king as quickly as possible under special circumstances, the eight-hundred-mile super express delivery method was developed. This eight-hundred-mile super express delivery is not simple. Although the ancients used horses, these horses It is not a thousand-mile horse, but every horse can run a thousand miles in a day if it runs hard.

In ancient times, there was a post station about every 20 kilometers, so that horses could be replaced immediately when they were tired, tired horses could be rested, and the informants could be replaced with horses in good condition. The Super Express of 800 Miles embodies this point vividly. When delivering urgent documents, fast horses are used at every station. It is said that the eight-hundred-mile super express itself has great privileges. Official records: Those who block it will die, and those who block it will die, and the eight-hundred-mile super express will be carried on the waist. A yellow flag was planted to represent that this was an order that was to be delivered directly to the king. As long as no one saw this flag, no one dared to stop it, even some local bandits would never dare to do so on the eight hundred mile journey.

The so-called eight hundred mile express is also an indicator for the inn, and it is also the fastest indicator. It's just that even an emperor can't afford this eight-hundred-mile rush. The main reason is that the price is too high. A journey of more than a thousand miles is completed by a messenger. There is basically no time to sleep along the way, and there is a risk of death from exhaustion.

In history, few and very cautious people used 800 miles to rush. In the entire Qing Dynasty for more than 300 years, 800 miles was used to rush only during the Taiping Heavenly Kingdom War, when the Hunan Army conquered Jinling. Yang Yuebin and Zeng Guoquan used it. report a success. Du Mu, a poet of the Tang Dynasty, once wrote: "Looking back at Chang'an, there are piles of embroidery, and thousands of doors are opening on the top of the mountain." Riding on the red dust concubine smiled, no one knew it was lychee. ?’s poetry. Emperor Taizong of the Tang Dynasty traveled eight hundred miles to deliver lychees to Concubine Yang.