Cao Youwen then moved to the Da'an Army. The Mongol army, which had previously feared the steep mountains of Chuzhou and did not dare to attack lightly, really swarmed to occupy Chuzhou, and then attacked the Da'an army. The Da'an army is located on flat land and cannot be defended, only the Cockscomb Mountain in the northwest can be defended, and the Song army has a fortress on the mountain, but there is not much grain in stock. Cao Youwen then decided to fight to the death, he ordered Cao Wan to lead 10,000 old and weak to stick to Jiguan Mountain, and then open the gate of Yangping Pass, let the Mongolian army enter the pass, he himself personally led 10,000 people from the remote path to sneak behind the Mongolian army, and when the Mongolian army attacked Jiguan Mountain and morale was frustrated, he suddenly launched a night attack, and fought to the death with the absolute superiority of the army.

This is an unprecedentedly bold plan, if successfully executed, the more than 100,000 troops of Kuduan will be repulsed again, and Cao Youwen will create an unprecedented miracle in the history of the Great Song War.

And at the beginning of the plan, Cao Youwen's odds of winning this bet looked very good. The Mongol army saw that Yangping Pass was unguarded, so they rushed straight in, but they were ambushed by the Song army in the pass, and then Cao Wan and others led the troops to rush out of Yangping Pass, and fought with the enemy in front of the pass, and fought until the time, and the Mongols finally retreated. Cao Wan then collected his troops and returned to Jiguan Mountain, and the Mongol army followed to the foot of Jiguan Mountain, and surrounded the mountain several times with a wooden fence. Prepare to attack.

Cao Youwen heard that the main force of the Mongolian army has entered the Yangping Pass, so he ordered the troops to be reassembled, he gave a final speech to the soldiers, which said that this Cao army for several years, has won many battles, and its prestige is spread in Qinlong, and its loyalty to protect the liver and gallbladder of the country, every day can be seen, now the Mongols are millions of people, the division of tigers and wolves to take Bashu, all the armies are dependent on the imperial court, the people's taxes to feed, this is the time to be loyal to the country, for the people to work hard. He also said that in the past, there were only two or three hundred people in the night attack, but today the attack with 10,000 people is a night battle rather than a night attack, so we cannot retreat, and we are only allowed to attack until all the enemy forces are defeated. So all the soldiers wrapped white cloth scarves around their arms, with the word "victory" as the agreed slogan. Rushed to Yangping Pass from the rear and prepared to attack the main force of the enemy army under the Cockscomb Mountain.

Unexpectedly, twenty miles, suddenly the sky changed suddenly, a storm blew, the army in the night against the storm advance, before the battle strength and morale has been lost a lot, there is a deputy general asked Cao Youwen to temporarily withdraw the army. Wait for the storm to pass before the surprise attack. Cao You sighed when he heard this, there was a lack of grain and grass on Jiguan Mountain, less than five days, and now the soldiers have held on to Jiguan Mountain for five days, and Jiguan Mountain is in danger of falling at any time, if you don't take advantage of the situation to attack today, and wait for the Mongolian army to capture Jiguan Mountain, there will be no chance of victory, so you decided to insist on attacking.

The Song army traveled dozens of miles at night, and finally entered Yangping Pass in the middle of the night, the Mongolian army had a guard force of about 300 cavalry in Yangping Pass, Cao Youwen ordered the vanguard army to attack with 500, at this time the wind and rain were mixed, and the soldiers could not distinguish the direction at all, but also because of this convenience, Cao Youwen's army finally broke into the Mongolian army after a series of fierce battles, and destroyed dozens of Mongolian barracks in a row. Killed by the Song army, Cao Wan opened the city and came down to attack, tens of thousands of troops shouted in the wind and rain, the Song army saved the determination to fight to the death in the end, and clashed back and forth in the Mongolian army, and the blood of the generals on both sides flowed ten miles along the heavy rain.

Xichuan produces cotton, and the Sichuan army and horses are mostly equipped with cotton armor, which is light and arrow-proof, but the rain penetrates the cotton robe in the heavy rain, making it difficult for Cao Youwen's subordinates to move, and soon after, the sky becomes brighter again, and the scattered Mongolian army reacts from the panic and gathers towards Cao Youwen's department, they are divided into hundreds of teams and ten teams to charge Cao Youwen's department in turn, and the Song army, which is fighting less and less, is finally completely surrounded by the Mongol ironclad cavalry, and finally only five or six hundred people remain, Cao Youwen was hit by several arrows, and then dismounted to fight, Finally killed. All the generals around him were also killed in battle. In the end, Cao Wan only had 500 people left, because there was no food in Jiguan Mountain, and there was only a dead end for the trapped guard, so the whole army rushed out of the fortress and charged the Mongol army, and the whole army was annihilated.

Sichuan pacified Zhao Yanna and left only some old and weak in his hands, so he fled into Shuzhong along the sword gate in a hurry.

The battle was so tragic that the bodies of the two armies were piled up as high as a hill, and the Mongol army was afraid that Cao Youwen was not dead, so they searched back and forth on the battlefield until they found his body and the famous battle flag.

Wang Shixian, the commander-in-chief of the 24th Mongolian Gongchang Division, who made great contributions in this battle, said to the frightened Kuoduan that Cao Youwen had been eliminated, and from now on there was no obstacle in front of the Mongolian army, and he could easily rush into the flowery country of abundance to loot.

In fact, to the south of the Da'an army, the Song Dynasty no longer had a large-scale army, and the Mongol army went all the way south without encountering a strong opponent. Those who stayed south of Shukou were mostly the Xiang Ban Army, and these regular main forces of the original imperial court, after the establishment of the garrison system in Shaoxing, had become security forces to maintain local law and order, and basically did not have the strength to fight with the regular army.

The Mongol army then broke the sword pavilion and went straight into Langzhong, the army was divided into three roads along the Jialing River to take Chengdu directly, and broke into the city from the east gate, the prefect of Chengdu and the senator died together, and Chengdu was completely occupied by the Mongol army.

After the occupation of Chengdu, Kuoduan ordered the accompanying soothsayer to carry out divination, and the soothsayer came up with a hexagram and said: The people of Sichuan are unstable, and they will not be able to return to Mongolia in the end. Kuoduan was convinced, so he ordered the slaughter of the city. Jinguan City, which has accumulated for thousands of years and is prosperous like a flower, has suffered a rare disaster in human history since then, like Samarkand and Jade Dragon Chijie in the Western Regions.

After the Mongol army completed the massacre of Chengdu, it immediately went out to attack the surrounding prefectures and counties, and the entire prefectures and counties of Sichuan were shaken, the officials abandoned the city one after another, and the soldiers and civilians fled to eastern Sichuan in a hurry to take refuge, and the Sichuan Road was facing the danger of falling to the whole territory.

The problem is not only Sichuan, Sichuan is the upper reaches of Jinghu, the land is victorious, if the Mongolian army builds ships on the Three Gorges and goes downstream, it is easy to attack Jiangling and Ezhou, where the current defense of Jinghu is weak, at this time, the main force of the Song army is all concentrated on the Xiangfan line, once the Mongolian army surrounds Jiangling, Jiangling's deputy envoy Bei Zhijie only has 10,000 horses in his hands, and he can not resist the Mongol army at all.

The priority was to rush to the mouth of the gorge to defend it. Meng Hui said: "After getting the fast horse flying report from the other deputy marshal, I have sent two reinforcements, with my brother Meng Ying leading 3,000 people to Xiazhou, and Liu De leading 2,000 people to Guizhou. ”

Zheng Yunming nodded and said: "There are 5,000 people stationed at the mouth of the gorge, which is enough for 100,000 people, and the key now is to prepare a group of men and horses to go to Sichuan to clean up the mess." Now that Qu is dead, Kuoduan will not be entrenched in Sichuan for long, and the important thing is to sort out the ruined prefectures and counties in Sichuan in order to restore it. ”

That's true, but the imperial court has not issued a military order, who dares to move the army without permission? In the Jinghu area, Zheng Yunming can rely on his identity as a yaman to go around, and the two envoys before and after are his father's old subordinates, who can control him otherwise? However, the cross-theater operation involves the strategic layout of the imperial court, and the Privy Council will inevitably ask questions, according to the military system of the Song Dynasty, those who use military horses privately will be killed, and even Zheng Yunming can hardly guarantee that he will get away with the crime under Lin'an's investigation.

According to the regulations, the commander was required to first submit a letter to the imperial court, stating the reasons for the transfer of troops to protect Shu, and then the imperial court approved the official document, and allocated food and salary to the consul general, and set up the envoy to transfer troops to help. But it turned out to be clumsy to deal with the Mongols, a strategically wide open and top-tier legion.

"In that case, we will immediately send an excerpt to the political affairs hall and apply for the transfer of military horses to Sichuan for support." Zheng Yunming said categorically: "With the help of Tasi, there is no shortage of horses in the army now, and the horses gallop with an express delivery, which is enough to reach the political hall within fifteen days, if the political hall can reach a conclusion on the tenth day, then there will be an echo within forty days at the latest, we will immediately start preparing the military horses and grass, once the order of the imperial court comes down, the fire can also save some of the situation, it is better than waiting here." ”

Zhao Kui hadn't expressed an opinion on this, and suddenly heard the guards outside the door shouting: "There is a golden plate in Lin'an!" ”

Zhao Kui was stunned for a moment, at this critical moment, the imperial court suddenly came to the gold plate urgently, I don't know what the intention is. The envoy of the urgent delivery shop entered the study, and saw Zhao Kui presenting an official document and said: "The imperial court has learned that Shukou has fallen, and sent me to come in the starry night, wait in Yingzhou, and watch the victory or defeat in front. As he spoke, he asked, "Which one is Zheng Yunminggong, the deputy capital of Jing'e?" ”

Zheng Yunming got up and responded, "I am." The courier took out a letter from his bosom and said: "The official family has another imperial handwritten letter here, and it is specially ordered to be handed over to the deputy capital of Jing'e to open it." ”

The emperor's private letter, according to the law, does not need to kneel to receive it, Zheng Yunming took the emperor's letter with both hands, and the urgent delivery servant saluted and left.

Bai Yijie shook his feather fan and suddenly smiled and said, "Congratulations to the deputy capital." This letter from the official family will certainly benefit you. ”

Zheng Yunming was puzzled and said, "How can I know that it will be beneficial to me if I haven't even opened the letter?" And how did the emperor's letter come about so coincidentally, and he specially sent someone to wait in Yingzhou, and I am a deputy capital, why did the emperor write to me directly? There must be eccentricities among them. ”

As he spoke, he unfolded the letter in his hand, and the handwriting was indeed the emperor's imperial pen, and the emperor's handwriting he had seen a lot since he was a child, and he would never admit his mistake. The letter reads:

"Qing once said that the disadvantages of Shukou are all in the middle of now. Hu people into Sichuan, the lives of the miserable, the community is also in danger of falling, this is the autumn of critical survival, not the sincere and brave ministers are not enough to be the pillars. Since the eunuch, the merits are well-known and the world is famous. The crisis of Bashu, who can be the one who can be the Qing, the strategy of moving the Jinshi side offered by the Qing has been completed, and the urgency of Shu is one person"

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