１８２１年

• Traditional Chinese Character(HanT): １８２１年
• Simplified Chinese Character(HanS): １８２１年
• Bopomofo(Mandarin Phonetic Symbols): ㄧ ㄅㄚ ㄦˋ ㄧ ㄋㄧㄢˊ (ㄧㄅㄦㄧㄋ)
• Bopomofo(Zhuyin Keyboard Input/IME): "u 18 -4u su06" (u18-4usu06)
• (ASCII) Hanyu Pinyin: "yibaeryinian" "Yi1Ba1Er4Yi1Nian2" "Yi1 Ba1 Er4 Yi1 Nian2" (YBEYN)
• (Latin) Hànyǔ Pīnyīn: YīBāèrYī [ Yī Bā èr Yī ]
• (英文翻譯) English Translation: "1821"
• (西語翻譯) Traducción Español: "1821"
• (日文翻譯) 日本語翻訳: "1821年"