| Afrikaans |
| lexicalization | afr: 400 |
| Amharic |
| lexicalization | amh: 400 እ.ኤ.አ. |
| Arabic |
| lexicalization | ara: 400 |
| Aragonese |
| has gloss | arg: | align=right cellpadding=3 id=toc style="margin-left: 15px;" |- style="text-align:center;" | Anyos: 397 398 399 - 400 - 401 402 403 |- style="text-align:center;" | Decenios: Anyos 390 - Anyos 400 - Anyos 410 |- style="text-align:center;" | Sieglos: Sieglo III - Sieglo IV - Sieglo V |} |
| lexicalization | arg: 400 |
| Asturian |
| lexicalization | ast: 400 |
| Azerbaijani |
| lexicalization | aze: 400 |
| Belarusian |
| has gloss | bel: | align=right cellpadding=3 id=toc style="margin-left: 15px;" |- | align="center" colspan=2 | Гады: 397 398 399 - 400 - 401 402 403 |- | align="center" colspan=2 | Дзесяцігодзьдзі: 370-я 380-я 390-я - 400-я - 410-я 420-я 430-я |- | align="center" | Стагодзьдзі: 3 стагодзьдзе - 4 стагодзьдзе - 5 стагодзьдзе |} Падзеі * |
| lexicalization | bel: 400 |
| Bengali |
| lexicalization | ben: ৪০০ |
| Bosnian |
| lexicalization | bos: 400 |
| Bishnupriya |
| lexicalization | bpy: মারি ৪০০ |
| Breton |
| has gloss | bre: | align=right cellpadding=3 id=toc style="margin-left: 15px;" |- | align="center" colspan="2" | Bloavezhioù : 400 - 401 - 402 - 403 - 404 405 - 406 - 407 - 408 - 409 |- | align="center" colspan=2 | Dekvedoù: 380 390 - Bloavezhioù 400 - 410 420 |- | align="center" | Kantvedoù: - - |- | align="center" | Milvedoù: - - |- |} Diwar-benn ar bloavezh 400 en deiziadur juluan eo ar bajenn-mañ. |
| lexicalization | bre: 400 |
| Bulgarian |
| lexicalization | bul: 400 |
| Catalan |
| lexicalization | cat: 400 |
| Czech |
| has gloss | ces: Úmrtí Hlavy států *Východořímská říše **Arcadius *Západořímská říše **Honorius |
| lexicalization | ces: 400 |
| Chuvash |
| lexicalization | chv: 400 |
| Corsican |
| has gloss | cos: 400 |
| lexicalization | cos: 400 |
| Welsh |
| has gloss | cym: 4edd ganrif - 5ed ganrif - 6ed ganrif 350au 360au 370au 380au 390au 400au 410au 420au 430au 440au 450au 395 396 397 398 399 400 401 402 403 404 405 |
| lexicalization | cym: 400 |
| Danish |
| has gloss | dan: Århundreder: 3. århundrede - 4. århundrede - 5. århundrede |
| lexicalization | dan: 400 |
| German |
| lexicalization | deu: 400 |
| Modern Greek (1453-) |
| lexicalization | ell: 400 |
| Esperanto |
| lexicalization | epo: 400 |
| Estonian |
| has gloss | est: 400. aasta |
| lexicalization | est: 400 |
| Basque |
| lexicalization | eus: 400 |
| Persian |
| has gloss | fas: ۴۰۰ (میلادی) چهارصد مین سال تقویم میلادی است. مناسبتها رویدادها زادگان درگذشتگان |
| lexicalization | fas: ۴۰۰ |
| Finnish |
| lexicalization | fin: 400 |
| French |
| lexicalization | fra: 400 |
| Western Frisian |
| has gloss | fry: ---- Ieuwen: 2e f. Kr. -- 1e f. Kr. -- 1e -- 2e -- 3e -- 4e ieu -- 5e -- 6e -- 7e -- 8e -- 9e Jierren: 395 - 396 - 397 - 398 - 399 - 400 - 401 - 402 - 403 - 404 - 405 ---- |
| lexicalization | fry: 400 |
| Gan Chinese |
| lexicalization | gan: 400年 |
| Gaelic |
| has gloss | gla: 400 |
| lexicalization | gla: 400 |
| Galician |
| has gloss | glg: 399 < 400 < 401 |
| lexicalization | glg: 400 |
| Haitian |
| has gloss | hat: 400 se 445m ane nan almanak jilyen. |
| lexicalization | hat: 400 |
| Hebrew |
| lexicalization | heb: 400 |
| Hindi |
| lexicalization | hin: 400 |
| Croatian |
| lexicalization | hrv: 400. |
| lexicalization | hrv: 400 |
| Hungarian |
| lexicalization | hun: 400 |
| Armenian |
| lexicalization | hye: 400 |
| Ido |
| lexicalization | ido: 400 |
| Indonesian |
| has gloss | ind: | align=right cellpadding=3 id=toc style="margin-left: 15px;" |- | align="center" colspan=2 | Tahun-tahun: 398 399 - - 401 402 |- | align="center" | Abad-abad: Abad ke-4 - Abad ke-5 - Abad ke-6 |} Tahun ke- Masehi dalam kalender Gregorian. |
| lexicalization | ind: 400 |
| Italian |
| lexicalization | ita: 400 |
| Javanese |
| lexicalization | jav: 400 |
| Japanese |
| lexicalization | jpn: 400年 |
| Georgian |
| lexicalization | kat: 400 |
| Korean |
| lexicalization | kor: 400년 |
| Kölsch |
| lexicalization | ksh: Joohr 400 |
| Latin |
| has gloss | lat: Mortui Principes Mundi * Imperium Romanum Occidentale — Flavius Augustus Honorius, F. Stilichone et Aureliano coss. * Imperium Romanum Orientale — Arcadius * Persia — Isdegerdes I |
| lexicalization | lat: 400 |
| Lithuanian |
| has gloss | lit: 400 m. buvo keliamieji metai, prasidedantys šeštadienį pagal Grigaliaus kalendorių. |
| lexicalization | lit: 400 m. |
| Lombard |
| lexicalization | lmo: 400 |
| Letzeburgesch |
| has gloss | ltz: 3. Joerhonnert | 4. Joerhonnert | 5. Joerhonnert |
| lexicalization | ltz: 400 |
| Marathi |
| lexicalization | mar: इ.स. ४०० |
| Macedonian |
| lexicalization | mkd: 400 |
| Malay (macrolanguage) |
| has gloss | msa: :Rencana ini adalah berkenaan dengan tahun 400. Bagi kegunaan lain, sila lihat 400 (nombor). 400 merupakan tahun lompat yang bermula pada hari Ahad dalam kalendar Gregory. |
| lexicalization | msa: 400 |
| Nahuatl languages |
| has gloss | nah: 400 ītōcā cē xihuitl īpan mācuīlpōhualxihuitl 4 īpan 390s māhtlacxihuitl. |
| lexicalization | nah: 400 |
| Neapolitan |
| lexicalization | nap: 400 |
| Low German |
| has gloss | nds: | align="center" |----- | align="center" | Eeuwen: 4e eeuw – 5e eeuw – 6e eeuw |----- | align="center" | Jaoren: 395 – 396 – 397 – 398 – 399 – 400 – 401 – 402 – 403 – 404 – 405 |} |
| lexicalization | nds: 400 |
| Nepal Bhasa |
| has gloss | new: ४०० ग्रेगोरियन पात्रो यागु छगु लीप दँ खः। |
| lexicalization | new: ४०० |
| Dutch |
| lexicalization | nld: 400 |
| Norwegian Nynorsk |
| has gloss | nno: Hendingar * Romarriket (kring år 400): Apicius skreiv den einaste romerske kokeboka som framleis finst i dag. |
| lexicalization | nno: 400 |
| Norwegian |
| lexicalization | nor: 400 |
| Occitan (post 1500) |
| has gloss | oci: ---- Cronologia mensuala: Gen - Feb - Mar - Abr - Mai - Junh Julh - Ago - Set - Oct - Nov - Dec |
| lexicalization | oci: 400 |
| Oriya |
| has gloss | ori: ୪୦୦ ଗ୍ରେଗୋରିଯନ ପାତ୍ରୋ ଅନୁସାର ଲୀପ ବର୍ଷ | |
| lexicalization | ori: ୪୦୦ |
| Panjabi |
| has gloss | pan: ੪੦੦ (400) ਚੌਥੀ ਸਦੀ ਦਾ ਆਖਰੀ ਸਾਲ ਹੈ। |
| lexicalization | pan: ੪੦੦ |
| Pali |
| has gloss | pli: ४०० ग्रेगोरी कैलंडर स्य एकस्य अधिवर्ष अस्तु। |
| lexicalization | pli: ४०० |
| Polish |
| has gloss | pol: |align=left width=100% |valign=top width=100%| rok 400 / CD III wiek · IV wiek · V wiek 398 « 399 « 400 » 401 » 402 |
| lexicalization | pol: 400 |
| Portuguese |
| lexicalization | por: 400 |
| Quechua |
| has gloss | que: 400 wataqa Hulyanu kalindaryukama intichawwan qallarisqa wakllanwatam karqan. |
| lexicalization | que: 400 |
| Moldavian |
| has gloss | ron: Milenii: Mileniul I î.Hr. - Mileniul I - Mileniul II |
| lexicalization | ron: 400 |
| Russian |
| lexicalization | rus: 400 год |
| Sanskrit |
| has gloss | san: ४०० ग्रेगोरी कैलंडर स्य एकस्य अधिवर्ष अस्तु। |
| lexicalization | san: ४०० |
| Sicilian |
| has gloss | scn: | align=right cellpadding=3 id=toc style="margin-left: 15px;" |- | align="center" colspan=2 | Anni: 397 - 398 - 399 - 400 - 401 - 402 - 403 |- | align="center" colspan=2 | Dicini: 380ini - 390ini - 400ini - 410ini - 420ini |- | align="center" | Sèculi: Sèculu III - Sèculu IV - Sèculu V |} |
| lexicalization | scn: 400 |
| Slovak |
| lexicalization | slk: 400 |
| Slovenian |
| lexicalization | slv: 400 |
| lexicalization | slv: Leto 400 |
| Castilian |
| lexicalization | spa: 400 |
| Albanian |
| has gloss | sqi: Mbi vitin 400. |
| lexicalization | sqi: 400 |
| Serbian |
| lexicalization | srp: 400. |
| lexicalization | srp: 400 |
| Sundanese |
| has gloss | sun: Taun ka-400 Maséhi dina Kalénder Grégorian. |
| lexicalization | sun: 400 |
| Swahili (macrolanguage) |
| has gloss | swa: Matukio Waliozaliwa bila tarehe * Papa Leo I |
| lexicalization | swa: 400 |
| Swedish |
| lexicalization | swe: 400 |
| Tatar |
| lexicalization | tat: 400 |
| Thai |
| has gloss | tha: พุทธศักราช 943 ตรงกับปี คริสต์ศักราช 400 |
| lexicalization | tha: พ.ศ. 943 |
| Turkmen |
| lexicalization | tuk: 400 |
| Turkish |
| has gloss | tur: 3. yüzyıl | 4. yüzyıl | 5. yüzyıl 395 | 396 | 397 | 398 | 399 | 400 | 401 | 402 | 403 | 404 | 405 |
| lexicalization | tur: 400 |
| Ukrainian |
| lexicalization | ukr: 400 |
| Uzbek |
| has gloss | uzb: 400 |
| lexicalization | uzb: 400 |
| Venetian |
| lexicalization | vec: 400 |
| Volapük |
| lexicalization | vol: 400 |
| Waray (Philippines) |
| has gloss | war: An 400 usa nga tuig han kalendaryo. |
| lexicalization | war: 400 |
| Chinese |
| has gloss | zho: 大事記 *羅馬帝國 **皇帝伽列里烏斯在帖撒羅尼迦的墓地被改建成教堂。 |
| lexicalization | zho: 400年 |
