元至元五年(1268年)，省马城入滦州及乐亭，县地属永平路滦州。
Five million Yuan (1268), provincial income Maastricht Luanzhou and Laoting, County Road, an Luanzhou Yongping.
为提高花生产量和品质，在滦县滦州镇进行了底施涕灭威预防花生病毒病的药效试验。
Experiments were conducted in the town of Luanzhou in Luan County to determine the efficacy of aldicarbsubsoil applications in preventing peanut viral diseases and increasing peanut yield and quality.
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