1840 Opium War 1856 The Second Opium War The Opium War and Lin Zexu.

1894 Sino-Japanese War "The Storm of the Sino-Japanese War"

1898 "Tan Sitong" and "Hanging the Curtain and Listening to Politics" in the Reform Movement of 1898

1900 Eight-Nation Alliance's war of aggression against China "burned Yuanmingyuan"

19 1 1 Sun Yat-sen and the Last Emperor in the Revolution of 1911

19 19 May 4th "My 19 19"

The first revolutionary civil war from 1924 to 1927.

1927 turn 1937 The Second Revolutionary Civil War "Long March"

From 1937 to 1945, Nanjing, War of Resistance against Japanese Aggression, Tokyo Trial and Taihang Mountain.

1945 turn 1949 huaihai campaign and the great cause of the founding of the people's republic of china.

Founding ceremony.

These are all classics. If you want to be more systematic, you can watch the documentary "Hundred Years of China"