The reason why Lin Daxin chose to blow up the Russian Trans-Siberian Railway immediately after encircling and annihilating the main force of the Siberian Second Front Army and occupying Vladivostok without bloodshed, is also because Lin Daxin has always hoped to continuously attract Russian European troops to the Siberian theater, and then let more Russian troops attack Outer Mongolia, so that the Dingbei Army of Outer Mongolia can rely on strong fortifications to eliminate as many Russian troops as possible, and continue to bleed Russia, so that he can occupy millions of square kilometers of Russian land in order to be more stable. But now that Haktu City and Maimaicheng have attracted enough Russian troops, Lin Daxin does not want to wait for the Russians to expand the 1 million army and also come to the Siberian theater, which is easy to spoil the appetite of the Dingbei Army.

Although before the surrender of the Russian army that surrounded and annihilated the main force of the Siberian Second Front and Vladivostok, the Dingbei Army faced the Russian army with nearly one million, but the annihilation of these nearly one million Russian troops was a mistake in the overall strategy of the Russian army, so that the Dingbei Army seized the opportunity, basically a move, cutting off the supply of the Russian army, and destroying nearly one million Russian troops at a very small price.

If the Russian army did not rush to rescue Vladivostok, or even directly abandoned Vladivostok and invested all its forces in Outer Mongolia, then it would still be defeated by the Dingbei Army in the end, and the price paid by the Dingbei Army would not be like this.

Now the bombing of the railway from Russia Europe to Irkutsk has made it difficult for the Russian army in the Siberian theater to resupply, forcing the Russian army in the Siberian theater to launch an offensive early, and there is no time to wait for 100 newly expanded troops, otherwise just logistics supplies can crush the 1.4 million Russian troops in the Siberian theater.

Lin Daxin used another tried and tested trick against the Russian army to cut off the supply of the Russian army, and the First Siberian Front immediately went to the city of Darkhan under the order of the commander of the Siberian theater of operations, Kuropatkin, after the railway from Russia Europe to Irkutsk was blown up, and prepared to attack.

However, the flames of battle in the city of Darkhan had not yet been ignited, but the sound of artillery along the Lena River began to sound first, and the troops of the Dingbei Army east of the Lena River began to cross the Lena River on April 10 and launched a large-scale attack on the Russian cities of Yakutsk, Zhigansk, and Oryokminsk, which are important west of the Lena River, and the important cities of Bodaibo on the northern side of the Yablonov Mountains.

The above-mentioned 4 important Russian towns are the 4 cities where the Siberian Third Front Army is assembled, and the 310,000 troops of the 10 armies of the Siberian Third Front are in these 4 cities, of which 2 armies are in Yakutsk, 2 armies are in Zhigansk, 2 armies are in Olyokminsk, and 4 armies are in Bodaibo City, preparing to launch an attack on the Dingbei Army east of the Lena River, but they did not expect to be taken by the Dingbei Army to cross the Lena River first, attack and defend and transpose, and were immediately caught off guard by the Dingbei Army.

The Dingbei Army that launched this offensive had a total of 7 divisions with a strength of 185,000 troops, including 3 5th, 12th, and 13th Divisions of the 1st Division, and 4 24th, 25th, 36th, and 37th Divisions of the B Division.

The purpose of this offensive launched by the Dingbei Army is not to occupy the three important Russian towns west of the Lena River and the city of Bodaibo, nor to eliminate the Siberian Third Front Army in these four cities, but to strike at the living forces of the Russian army in these four cities, so that the Russian army will have the illusion that the Dingbei Army will continue to attack west of the Lena River, and will no longer attack the area east of the Lena River, and will honestly stay west of the Lena River, without affecting the plan of large-scale migration from the northeast to the newly occupied Russian areas.

Under the leadership of division commander Li Yuandong, the infantry of the 13th Division quietly crossed the Lena River on the night of April 9 by using the pontoon bridge that had been repaired in the upper reaches of the Lena River, which flowed through the city of Zhigansk, and moved to the vicinity of Zhigansk City.

The heavy artillery brigade and three heavy artillery regiments of the 13th Division placed their artillery directly on the east bank of the Lena River, and aimed their guns in the direction of the city of Zhigansk. The city of Zhigansk was built next to the Lena River, so the entire Russian army in the city of Zhigansk was within the range of the 155-mm heavy howitzers of the heavy artillery brigade of the 13th division and the 105-mm howitzers of the heavy artillery regiment.

And the two Russian infantry corps in Zhigansk City were unaware of the actions of the Dingbei Army, they did not expect that the troops were much less than them, and the Dingbei Army on the other side of the river would take the initiative to attack, you must know that the Dingbei Army on the other side of the Zhigansk City River had been overhauling the fortifications in a small town on the opposite side of the original Russia, and looked like they were defending it, so when the artillery of the 13th Division carried out the shelling at dawn on the 10th, many of the officers and soldiers of the Russian army were still asleep in the barracks near and in the city of Zhigansk, and did not get up. There were no precautions against the offensive of the Dingbei Army.

The 13th Division had already reconnoitred the location of the Russian barracks inside and outside Zhigansk City, so the artillery units of the 13th Division carried out a saturated artillery bombardment for half an hour against Zhu Yuan, who had already done a good job in the Russian barracks, and immediately bombed the Russian troops in Zhigansk City crying dad and crying mother.

The Siberian Third Front was originally equipped with 4 heavy artillery divisions, and the commander of the Siberian Third Front, Ivanov, was originally going to assign 1 heavy artillery division to the Russian army in one direction, but because the Siberian theater gave priority to the supply of artillery shells to the first and second fronts, the artillery units of the third front were not so sufficient, so the 4 heavy artillery divisions were waiting for shells in Bodaibo City, so the artillery of the Russian army in Zhigansk City was only some 75-mm field guns of the 2 armies, After these 75-mm field guns launched a counterattack, they were quickly suppressed by the artillery of the Dingbei Army.

After half an hour of shelling, the officers and men of the 13th Division, which had been prepared for a long time, first launched an attack on the Russian barracks outside the city, and broke into the Russian barracks very lightly, and engaged the Russian troops in a short encounter.

The officers and soldiers of the Dingbei Army used strong melee firepower to defeat the Russian troops in the barracks, and soon the barracks of the Russian army outside the city were occupied by the Dingbei Army one after another, and the remnants of the Russian army retreated to the city of Zhigansk.

By 3 o'clock in the afternoon of the 10th, all the Russian barracks outside Zhigansk were lost and occupied by the 13th Division, the two Russian infantry corps lost at least more than 20,000 people, and the remaining less than 40,000 Russian troops retreated to the fortifications of Zhigansk City.

In order to prevent the attack of the Dingbei Army, a large number of city fortifications were built on the basis of Zhigansk City, but later the number of Russian troops in Zhigansk City was continuously strengthened, reaching the scale of 2 armies, and the Dingbei Army that was in a weak position would not launch an attack on Zhigansk City, plus 60,000 Russian troops made Zhigansk City overcrowded, so a large number of barracks were built outside the city, However, there were no strong fortifications built around the barracks outside the city, and only some simple fortifications built up with sandbags allowed the 13th Division to capture all the barracks of the Russian army outside the city at a small cost.

After the Russian army retreated to Zhigansk City, Li Yuandong, the commander of the 13th Division, did not order the troops to launch an attack on the city fortifications of Zhigansk City, but ordered the heavy artillery brigade and heavy artillery regiment on the east bank of the Lena River to continue to shell Zhigansk City.

The 13th Division's troops who crossed the Lena River to attack the city of Zhigansk retreated from the pontoon bridge to the east bank of the Lena River when the artillery bombarded the city of Zhigansk, and the division commander Li Yuandong believed that the goal of the attack across the river had been achieved, and the Russian army that had already inflicted heavy damage on the city of Zhigansk did not need to attack the fortifications of Zhigansk City, which would bring unnecessary casualties to his 13th Division.

At the same time that the 13th Division of the Dingbei Army attacked the city of Zhigansk, the 24th and 25th Divisions of the two B divisions of the Dingbei Army launched an attack on the city of Yakutsk, and the 36th and 37th divisions of the other two B divisions of the Dingbei Army launched an attack on the city of Oryokminsk.

The city of Yakutsk and the city of Oryokminsk are also built next to the Lena River, and the Russian army in the two cities is also unprepared for the attack of the Dingbei Army, after all, the Dingbei Army on the other side of the Lena River is less than the Russian army, and it has been building fortifications in full swing, no one thought that the Dingbei Army spent so much effort to build one fortification after another just to confuse the Russian army on the other side of the Lena River.

So that the battle situation of Yakutsk City and Oryok Minsk City is similar to that of Zhigansk City, and the Dingbei Army took advantage of the night to quietly move to the west bank of the Lena River, and launched a surprise attack on the Russian army when the sky was bright, first with artillery bombardment, and then with infantry, directly crushing the Russian troops in the barracks outside the two cities, and after inflicting heavy losses on the Russian army, they retreated to the east bank of the Lena River under the cover of artillery.

The 5th and 12th Divisions of the Dingbei Army, which were responsible for attacking Bodaibo City, an important town on the northern side of the Yablonov Mountains, encountered some trouble.

The Bodaibo City attacked by the two integrated divisions of the Dingbei Army has 4 corps of the Russian Siberian Third Front, and the 6th Army led by the commander Ivanov is also in Bodaibo City, and the 6th Army is the top legion of the Russian Army's standing army, and its combat effectiveness is not weak, plus the 4 heavy artillery divisions of the Siberian Third Front are all in Bodaibo City, so that the attack of the 5th and 12th Divisions is not so smooth. R1152