历史上的宣达战役是红四方面军在取得反“三路围攻”胜利后,举行的一次进攻战役,这次战役不仅重创了刘存厚的川陕边防军,解决了建立和巩固根据地急需的物资,进一步扩大了川陕苏区,还使川陕苏区和红四方面军发展到鼎盛时期,并为日后粉碎敌人更大规模的“六路围攻”奠定了坚实基础。。 The battle of Xuan Da in history was an offensive campaign conducted by the Red Fourth Army after it won the victory of “three siege”. This campaign not only hit Liu Chuanhou’s Sichuan-Shaanxi border guards, but also solved the urgent need of establishing and consolidating the base areas. Supplies and materials, further expanding the Sichuan-Shaanxi Soviet Area, and further developing the Sichuan-Shaanxi Soviet Area and the Red Fourth Army to their heyday and laying a solid foundation for the future smashing of the enemy’s “six-siege” in a larger scale. .