Midsummer gradually came, the wheat in Guanzhong and Longshang and the rice in Bashu had already entered the warehouse, and the Western Regions Commander Yehu Khan, King Kangguo, and King Gaochang sent 5,000 fine war horses as promised.

On June 15, Li Yuan issued an edict on the Eastern Expedition. The armies in the Weibei camp and the Bashang military camp were drawn one after another, and the prefectures, counties and townships bravely responded to the emperor's edict and enthusiastically signed up to participate in the war.

For a time, outside Chang'an City, on the banks of the big river, under the high walls, on the side of the dense forest, and on both sides of the avenue, there were almost soldiers heading east.

The army was ordered to assemble in the east of Chang'an City, and it must be assembled before the end of the month, and it will be uniformly deployed at that time.

On the field in the east of Chang'an City, there are only dense tents, saddle horses like shuttles, as many as ten heavy and hundred-heavy.

In this Eastern Expedition, Li Yuan's edict was commanded by Li Shimin, and he granted Li Shimin the post of Daxingtai in Eastern Shaanxi, and all the Tang soldiers and horses east of Tongguan were dispatched by him alone.

Yan Lide, the master of craftsmanship, had already been ordered to build a rooftop outside the east gate of Chang'an City. The rooftop is three zhang high, and the surrounding area is five zhang wide, which Li Yuan is preparing to use for worshipping generals and sacrifices.

Near noon, the sun moved to the midheaven position. Li Yuan ascended the high platform accompanied by Tai Changling.

On the high platform is a bronze statue of a giant tripod, which is filled with sandalwood incense. Under the tripod, there is a table table, and on the top of the table are all placed offerings such as cow heads, pig heads, sheep heads, poultry, grains, fruits and vegetables.

According to the "Weekly Rite", this is the highest etiquette in the sacrifice - the Rite of the Taigao!

Li Yuan held incense in his hand, looked up at the sky with extreme piety, and bowed to the sky three times. Then, the sake that has been treasured by the national treasury for 30 years is brought to the ground.

After that, he instructed Tai Changling, who was standing beside him, to read out the edict: "Fengtian's luck, the emperor's edict said, Luoyang Wang Shichong, plotting rebellion and usurpation, poisoning living beings, heaven and earth are not tolerated." I, Datang, will punish heaven and seek peace and rebellion. Today, Li Shimin, the king of Qin, is the great Xingtai of Shaanxi East Road, the generalissimo of the expedition to the east, and the army builds the banner of the Son of Heaven, and the soldiers and horses of the Kwantung Zhulu are controlled. This edict, the third year of martial arts, July 1. ”

After the edict was announced, Li Shimin walked up to the high platform and took over the marshal's seal letter and the Daxingtai scepter of Eastern Shaanxi Province from Li Yuan.

Then, he turned around and faced the army at his feet. I saw that a huge phalanx was lined up on the vast field, with people and horses neatly arranged, hunting with flags and flags, like the waves of the sea, reaching the extreme of heaven and earth at a glance......

Li Shimin held a scepter in his hand and shouted to the soldiers: "Soldiers, you are all the elite of my Tang Dynasty. Today, I will take you east into the Central Plains and go straight to Luoyang. Ladies and gentlemen, the time has come to make a name for yourself. Everyone went into battle together, fought bravely to kill the enemy, and raised my Tang Dynasty! ”

In the audience, the generals shouted in unison: "Fight bravely to kill the enemy, and raise my Tang Dynasty!" Fight bravely to kill the enemy and raise my Tang Dynasty! ……”

After a while, all the soldiers of the entire army began to shout in unison, and the shouts shook the heavens and the earth, agitating the mountains and rivers.

In the sky, the Dapeng bird hovered several times and kept singing; The horses also began to raise their heads and neigh, their front hooves digging the ground, and foaming at the mouth; The blood of the soldiers was boiling, and the high-pitched emotions spread throughout the army.

For about half an hour, Li Shimin motioned for the soldiers to stop. The army soon fell silent, as quiet as a mountain.

Li Shimin walked down from the high platform in a hurry. Li Shimin commanded the soldiers to change the queue. And he stepped on the most beloved war horse, kicked into the horse's belly, and the front hooves of the horse's fat rose from the ground, looking up to the sky and roaring.

Li Shimin pulled out the Longquan Sword from his waist, and the blade emitted bursts of cold light under the sunlight.

He waved his right hand forward, "Go!" "Teller galloped eastward like an arrow.

After the dust, the generals rode their horses and followed closely, and the commanders brought their own troops and horses to march one after another, and the mighty Tang Dynasty's Eastern Expedition army was launched.