Japan publicly rejected the Potsdam Proclamation, and the Allies had to fight the Japanese fascists for the last time. In order to seize the initiative to occupy Japan, the Truman administration of the United States was eager to force Japan to surrender alone in order to gain a favorable strategic position against the Soviet Union after the war, so before the Soviet Union sent troops, it dropped the first atomic bomb on Hiroshima, Japan on August 6. On the 9th, the second atomic bomb was dropped in Nagasaki. The disaster suffered by Japanese residents is the result of the Japanese militaristic government's refusal to surrender. On August 8 17 (Moscow time, Tokyo time, 23: 00), the Soviet Foreign Affairs People's Committee Molotov summoned Wu Shang Sato, the Japanese ambassador to the Soviet Union, handed him the Soviet Union's declaration of war against Japan, announced its participation in the Potsdam Proclamation, and personally announced that the Soviet Union was at war with Japan from August 9.
The Soviet Union declared war on Japan, which surprised Japan greatly. The Japanese army originally judged that after the end of the Soviet war against Germany, it needed to rest. The war time against Japan may be in the spring of 1946, and it should be in the early September of 1945 at the earliest. The main attack direction of the Soviet Union may be from the far eastern coastal areas of the Soviet Union to the northeast of China. Based on this judgment, the Kwantung Army focused its defense on the east of Northeast China.
On the night of August 8, three Soviet troops, the Pacific Fleet and the Heilongjiang Fleet occupied the starting position of the attack. At 0000 hours on the 9th, the advance team crossed the border. At dawn, the main forces attacked one after another. The Air Force attacked Harbin, Changchun, Jilin and Shenyang in two batches, and the Pacific Fleet took active actions in the Sea of Japan.
On the western front, the advance team of the post-Baikal army crossed the border in all directions without artillery preparation. At 4: 30, the main force of the army began to attack, and basically did not encounter Japanese resistance. The 6th Army of Tanks made rapid progress in two directions more than 70km apart, and the distance on the first day of the campaign was150km. 10 in the afternoon, advance 100 kilometers, and mainly reach Daxing 'anling. Due to the smooth progress, the army commander asked the tank group army to complete the current task ahead of schedule and set off for Lubei and Tuquan in the evening of August 12. The sixth army of tanks changed its deployment during the March, and the fifth army of tanks was changed from the second echelon to the first echelon. That night, it boarded Daxinganling and occupied Tairihei Dam. 12 August, the tank group army all crossed the Daxinganling Mountains, and its advance detachment captured Lubei in August 1 1 year and Tuquan in August 12 year. On June 5438+0 1 day, the left-wing 36th Army captured the Manzhouli base area, and the tank troops set up a base area in Hailar, which was stubbornly resisted by the Japanese army and the main force made a detour. The mechanized cluster of right-wing Su Meng cavalry entered in two ways, one occupied Duolun at 14 and the other occupied Zhangbei at 15.
On the eastern front, the advance detachment of the Far East 1 Army sneaked into the Wusuli River on the 9th 1 and attacked the Japanese border area in the dark and heavy rain. At 8: 30, the main force launched an attack, and there was no artillery preparation except in several directions. The 25 th Army on the left and the 35 th Army on the right were resisted by the Japanese in Dongning and Hutou respectively. They failed to attack again and again and their progress was blocked. The main force was forced to detour, leaving an army behind. They transferred heavy artillery and bombed the aviation to continue the attack. After the 5 th Army destroyed the Japanese shelters with the advance detachment, the main force advanced rapidly. On the second day of the campaign, it captured Suifenhe River and entered Mudanjiang City on 14 to cooperate with 1 Army in street fighting with the Japanese army. In order to improve the attack speed and avoid deadlock, the commander decided to detour from the south of Mudanjiang and go straight into Jilin with the main force.
On the northern line, the 2nd Army of the Far East launched an attack on 9th 1, and the 5th Army of the Independent Army crossed the Wusuli River on 9th 14 and occupied Baoqing. 15 army, with the cooperation of the fleet in Heilongjiang, crossed Heilongjiang, captured Fujin fortification area after fierce fighting on 14, and opened the road to Jiamusi. The 2nd Army first served as the defense in Hailanpao area on the north bank of Heilongjiang, and turned to attack 1 1. Due to the lack of equipment to cross the river, we have to fight in batches and progress is slow. 14 Sun Wu and Ai Hui built the base area.
After six days of fighting in the first stage of the campaign, the Baikal army crossed the Daxing 'anling Mountains, advanced 450-500 kilometers and went out to the Northeast Plain. Far East 1 Army Forward 150~200 km, out of Mudanjiang Plain. The Second Front Army of the Far East advanced 50~ 100 km and left Jiamusi. With the cooperation of the Marine Corps, the Pacific Fleet occupied the ports of Xiong Ji and Luo Jin in North Korea, cutting off the retreat of the Japanese army from the sea. The deployment of the Kwantung Army was fragmented, disrupted and unified command was lost. Only a part of the troops continued to resist in Mudanjiang city and the construction areas such as Hailar, Sunwu and Hutou.
/kloc-in August of 0/5, the Japanese government announced its surrender, but the kwantung army did not stop resisting. The Soviet Union continued to attack. The post-Baikal army captured Zhalantun, Tiaonan, Tongliao, Chifeng and Zhangbei on 16 and 17 respectively. Because the road is muddy, the tank army can only travel along the railway subgrade, with an average of 40~50 kilometers every day and night. The main force followed the advance team and did not fight. Some troops continue to besiege the fortified area of Hailar. 1 and 1 The 5th Army of the Far East Army captured Mudanjiang City on 17, and captured more than 40,000 Japanese troops. On the same day, the army's right-wing 35 army marched into Boli, and the left-wing 25 army marched into Tumen and advanced toward North Korea. In Hutou, Dongning and other places, some troops still fought fiercely for the defenders on the same day. The Second Army of the Far East 15 Army captured Jiamusi on 17 and pursued the retreating enemy along the Songhua River. With the support of aviation and artillery, the 2nd Army launched a fierce attack on Sun Wu's fortified areas.
/kloc-in August of 0/7, the kwantung army ordered to stop the resistance and the Japanese army began to surrender. In view of the fact that the regiments are still far from achieving the campaign objectives, Alexander Alexander Alexander Alexander Alexander Alexander Alexander Alexander Alexander Alexander Alexander Alexander Alexander 2 1 20th, the Soviet rapid detachment advancing from east to west joined forces in Harbin, Changchun and Shenyang respectively. The Japanese troops stationed in Hutou and Dongning fortified areas did not stop resisting until August 26th.
At the same time, from August 1 1 to 25th, the Soviet army 16, with the cooperation of some forces of the Pacific Fleet, carried out the offensive campaign of South Sakhalin Island; From August 18 to August 9 1 2008, the Second Army of the Far East, in cooperation with the formation of 16 Army and Pacific Fleet, carried out the Thousand Islands Landing Campaign.
In the Far East Campaign, the Soviet army wiped out the Kwantung Army, the Puppet Manchurian Army, the Puppet Mongolian Army, the 17 and the 5 th Army, the Songhua River Army, a total of 10 Army, 1 regiment cluster, 1 district fleet. The Japanese army lost about 700,000 officers and men, including 83,000 killed and 609,000 captured. Among the prisoners, Lu Haijun has 148 generals. Soviet casualties exceeded 32,000.
The Soviets captured a lot of trophies. Only the post-Baikal Army and the Far East 1 Army seized 1565 guns, 2 139 mortars and 600 tanks, 86 1 aircraft, 9,508 light machine guns, 2,480 heavy machine guns, 2 129 cars and. The Second Far East Army and the Red Flag Heilongjiang Fleet captured all the ships of the Japanese Songhua River Army.