1946年4月18日至5月18日进行的四平保卫战。国民党军队按其抢占东北的既定方针,于3月中旬开始向北满大举进攻,扬言4月2日占领四平。东北民主联军为阻止国民党政府军北进,先后调集14个师(旅)参战。自4月初开始进行外围战,4月18日四平保卫战正式打响后,国民党政府军 Siping defense war, April 18, 1946 to May 18, 1946. According to the established guideline of seizing the northeast, the Kuomintang troops started a massive attack on the North Manchuria in mid-March and threatened to occupy Siping on April 2. In order to prevent the Kuomintang government troops northward, the Northeast Democratic Coalition mobilized 14 divisions (brigades) to participate in the war. Since the beginning of the peripheral war started in early April, the Siping Peace War officially started on April 18, and the Kuomintang government forces