Wèiguó shì Zhōucháo de yí gè zhūhóuguó, cúnzài le bābǎi duō nián.
Wei was a vassal state of the Zhou dynasty that lasted over 800 years.
Tips
mistakes
Two different Wei states: 卫国 (founded by Kang Shu, last to fall in 209 BCE) vs. 魏国 (the Warring States and later Three Kingdoms power). Same pinyin, different characters and history; context disambiguates.
history
Famous figures from 卫国 include the philosopher 子贡 (Confucius' disciple) and the swordsman-courtier 子路. Confucius lived in Wei intermittently for around ten years.