- 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)
- (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"