yàn guó
(?
前257年～
前255年)
yàn xiào wáng （？
─ qián 255
nián），
zài qián 257
nián yàn wǔ chéng wáng sǐ hòu jì wèi，
lì jī xǐ wéi tài zǐ，
zài wèi sān nián '
ér zú。
zhè qī jiān，
qín guó miè dōng zhōu，
qiān jiǔ dǐng。
zhè shí qī yàn guó kě néng zhù yòu cháng chéng，
zì zào yáng zhì xiāng píng（
jīn liáo níng liáo yáng），
bìng shè zhì liǎo shàng gǔ、
yú yáng、
yòu běi píng、
liáo xī、
liáo dōng wǔ jùn。
jìn rén wáng guó liáng tuī lùn “ yàn zhù běi cháng chéng，
bù zài yàn wáng xǐ shí，
jiù zài xiào wáng mò nián ”。
During this period, the Eastern Zhou Qin destroyed, moved Jiuding. Yan State during this period may have built the Great Wall, made from sun to Xiangping (now Liaoning Liaoyang), and set up the Valley, Yu Yang, right Peking, western Liaoning, Liaodong Gogun. Neighbor Guoliang inference "Yan built Great Wall north, not Yan Wangxi time in the Xiao Wang Dynasty."