１９９１年

• Traditional Chinese Character(HanT): １９９１年
• Simplified Chinese Character(HanS): １９９１年
• Bopomofo(Mandarin Phonetic Symbols): ㄧ ㄐㄧㄡˇ ㄐㄧㄡˇ ㄧ ㄋㄧㄢˊ (ㄧㄐㄐㄧㄋ)
• Bopomofo(Zhuyin Keyboard Input/IME): "u ru.3ru.3u su06" (uru.3ru.3usu06)
• 「１９９１年」的漢語拼音: Yi1 Jiu3 Jiu3 Yi1 Nian2
• (ASCII) Hanyu Pinyin: "yijiujiuyinian" "Yi1Jiu3Jiu3Yi1Nian2" "Yi1 Jiu3 Jiu3 Yi1 Nian2" (YJJYN)
• (Latin) Hànyǔ Pīnyīn: YīJiǔJiǔYī [ Yī Jiǔ Jiǔ Yī ]
• (英文翻譯) English Translation: "1991"
• (西語翻譯) Traducción Español: "1991"
• (日文翻譯) 日本語翻訳: "1991年"