６９１年

• Traditional Chinese Character(HanT): ６９１年
• Simplified Chinese Character(HanS): ６９１年
• Bopomofo(Mandarin Phonetic Symbols): ㄌㄧㄡˋ ㄐㄧㄡˇ ㄧ ㄋㄧㄢˊ (ㄌㄐㄧㄋ)
• Bopomofo(Zhuyin Keyboard Input/IME): "xu.4ru.3u su06" (xu.4ru.3usu06)
• (ASCII) Hanyu Pinyin: "liujiuyinian" "Liu4Jiu3Yi1Nian2" "Liu4 Jiu3 Yi1 Nian2" (LJYN)
• (Latin) Hànyǔ Pīnyīn: LiùJiǔYī [ Liù Jiǔ Yī ]
• (英文翻譯) English Translation: "691"
• (西語翻譯) Traducción Español: "691"
• (日文翻譯) 日本語翻訳: "691"