After 1900, what classic wars took place? About 1500 words.

Russo-Japanese War 1904-1905 Italo-Turkish War 1911-1912 Balkan War 1912-1913 World War I 1914-1918 Polish-Soviet War 1920 Abyssinian War 1935-1936 Spanish Civil War 1936-1939 Sino-Japanese War 1937-1938 World War II 1939-1945 Indochina War 1946-1954 Arab-Israeli War 1948, 1956, 1967, 1973 Korean War 1950-1953 Algerian War 1954-1962 Vietnam War 1964-1975 Afghanistan War 1979-1989 Anglo-Afghan War 1982 Gulf War 1991 Horn of Africa War 1991-1994 Kosovo War 1992-2000

The wars of the Chinese people since 1840 include: the Opium War, the Taiping Rebellion, the Sino-Japanese War, the Sino-French War, the Boxer Rebellion, the Northern Expedition, the Beiyang Warlord Melee, the Xinhai Revolution, the War of Resistance Against Japan, the War to Resist US Aggression and Aid Korea, the War to Resist US Aggression and Aid Vietnam, the Sino-Indian War, the Sino-Soviet Zhenbao Island Conflict, and the War of Self-Defense and Counterattack against Vietnam.

In 1840, the year was in the late Manchu Dynasty, the first Opium War occurred in this year, the Western powers knocked on the door of the ancient closed Manchu Dynasty, in 1842, China signed the "Treaty of Nanjing" that humiliated the country, which was the beginning of China's modern semi-colonial and semi-feudal society.

Since then, China has successively signed various unequal treaties that have lost power and humiliated the country, and the Qing Dynasty has embarked on the road of national destruction. Until the Xinhai Revolution, China's more than 2,000 years of feudal imperial system finally ended.

[Mainly]:

The Eight-Nation Alliance's War of Aggression against China.

Two Balkan wars.

First world war.

Civil war in Soviet Russia. Italy invades Ethiopia.

Spanish Civil War.

Anti-Japanese War. Second world war.

Korean War. Vietnam War.

Wars in the Middle East. Cambodian War of Resistance Against Vietnam.

The Soviet Union invaded Afghanistan.

Iran-Iraq war. Gulf War.

War in Afghanistan.

Iraq War.

First, the Second World War.

Five Middle East wars and three India-Pakistani conflicts.

Iran-Iraq War, Gulf War, Korean War, Vietnam War.

Congo, Libya, Uganda, Bosnia and Herzegovina, these countries have civil wars, and the rest is small!

Chernobyl 4 reactor nuclear accident **.

There are too many of these, China's main ones are the Eight-Nation Invasion War in the year of Xin Chou, the First World War in 1914, the War against Japan and the Second World War that began in 1931, the Korean War in 1950, the Sino-Indian conflict in 1962, and the Sino-Vietnamese conflict that began in 1979.

The world's largest ones: the 1904 Russo-Russian War, the 1914-1939 World War, the 1954-1965 Vietnam War (including the French colonial period), the 1950 Korean War, the 1984 Lebanese War, the 1982 1991 and 2004 Gulf Wars (Iran-Iraq, the United States and Iran), the 1982 Anglo-Afghan Falkland War, the Middle East War, the 1980 Afghanistan War, the 1999 Kosovo War

From 1840 to 1842, the First Opium War was caused by Lin Zexu's sale of cigarettes in Humen, which was actually just a pretext for the British to invade China, and the Treaty of Nanking was signed after the defeat of the war, and China's national door was opened and began to degenerate into a semi-colonial and semi-feudal society.

1856-1860 Second Opium War Caused by the Great Powers' desire to expand their aggressive rights and interests Defeat The Treaty of Tientsin was signed in 1858 The Treaty of Peking was signed in 1860, and China was further reduced to a semi-colonial and semi-feudal society.

From 1894 to 1895, the Sino-Japanese War was defeated and the Treaty of Shimonoseki was signed, and the island of Taiwan was ceded. Moreover, the Great Powers also shifted from commodity imports to capital imports.

In the 90s of the 19th century, the imperialist countries set off a frenzy to carve up China.

In 1900, the Eight-Nation Allied Forces were defeated in the war of aggression against China, and in 1901, the Treaty of Xinchou was signed, and China was completely reduced to a semi-colonial and semi-feudal society.