The four histories refer to the history of the Party, the history of New China, the history of reform and opening up, and the history of socialist development.

Only when you don't forget your initiative will he take on his mission more consciously. We should take studying and implementing the Party's innovative theory as the top priority of ideological armed forces, and combine it with studying the history of Party history, the history of New China, the history of reform and opening up, and the history of socialist development.