# William IV, Duke of Aquitaine

> William IV, called Fierebras, was the Duke of Aquitaine and Count of Poitou from 963 to his retirement in 990.

*Duke of Aquitaine from 963 to 990*

**Canonical URL:** https://fame.am/person/william-iv-duke-of-aquitaine

## Identity
- **Profile type:** Historical Figure ([Wikidata](https://www.wikidata.org/entity/Q2798645))
- **Category:** Historical Figures
- **Born:** 935
- **Died:** 0994-02-03
- **Status:** deceased
- **Gender:** male

## Fame
- **Popularity score:** 49.3 / 100
- **Momentum:** 0.6 / 100  (trend: STABLE)
- **Historical depth:** 16.6 / 100
- **Attention shift:** 0.0 / 100
- **Source confidence:** 60.0 / 100
- **Profile completeness:** 45.0 / 100

## Sources
- [威廉四世 (亞奎丹)](https://zh.wikipedia.org/wiki/%E5%A8%81%E5%BB%89%E5%9B%9B%E4%B8%96_(%E4%BA%9E%E5%A5%8E%E4%B8%B9))
- [Вилхелм IV (Аквитания)](https://bg.wikipedia.org/wiki/%D0%92%D0%B8%D0%BB%D1%85%D0%B5%D0%BB%D0%BC_IV_(%D0%90%D0%BA%D0%B2%D0%B8%D1%82%D0%B0%D0%BD%D0%B8%D1%8F))
- [Guillem IV d'Aquitània](https://ca.wikipedia.org/wiki/Guillem_IV_d'Aquit%C3%A0nia)
- [Vilém IV. Akvitánský](https://cs.wikipedia.org/wiki/Vil%C3%A9m_IV._Akvit%C3%A1nsk%C3%BD)
- [Wilhelm IV. (Aquitanien)](https://de.wikipedia.org/wiki/Wilhelm_IV._(Aquitanien))
- [Γουλιέλμος Δ΄ της Ακουιτανίας](https://el.wikipedia.org/wiki/%CE%93%CE%BF%CF%85%CE%BB%CE%B9%CE%AD%CE%BB%CE%BC%CE%BF%CF%82_%CE%94%CE%84_%CF%84%CE%B7%CF%82_%CE%91%CE%BA%CE%BF%CF%85%CE%B9%CF%84%CE%B1%CE%BD%CE%AF%CE%B1%CF%82)
- [William IV of Aquitaine](https://en.wikipedia.org/wiki/William_IV_of_Aquitaine)
- [Guillermo IV de Aquitania](https://es.wikipedia.org/wiki/Guillermo_IV_de_Aquitania)
- [Gilen IV.a Akitaniakoa](https://eu.wikipedia.org/wiki/Gilen_IV.a_Akitaniakoa)
- [Guillaume IV d'Aquitaine](https://fr.wikipedia.org/wiki/Guillaume_IV_d'Aquitaine)
- [Guglielmo IV di Aquitania](https://it.wikipedia.org/wiki/Guglielmo_IV_di_Aquitania)
- [ギヨーム4世 (アキテーヌ公)](https://ja.wikipedia.org/wiki/%E3%82%AE%E3%83%A8%E3%83%BC%E3%83%A04%E4%B8%96_(%E3%82%A2%E3%82%AD%E3%83%86%E3%83%BC%E3%83%8C%E5%85%AC))
- [Willem IV van Aquitanië](https://nl.wikipedia.org/wiki/Willem_IV_van_Aquitani%C3%AB)
- [Wilhelm IV Żelazne Ramię](https://pl.wikipedia.org/wiki/Wilhelm_IV_%C5%BBelazne_Rami%C4%99)
- [Guilherme IV da Aquitânia](https://pt.wikipedia.org/wiki/Guilherme_IV_da_Aquit%C3%A2nia)
- [Гильом IV (герцог Аквитании)](https://ru.wikipedia.org/wiki/%D0%93%D0%B8%D0%BB%D1%8C%D0%BE%D0%BC_IV_(%D0%B3%D0%B5%D1%80%D1%86%D0%BE%D0%B3_%D0%90%D0%BA%D0%B2%D0%B8%D1%82%D0%B0%D0%BD%D0%B8%D0%B8))
- [Guillaume IV od Akvitanije](https://sh.wikipedia.org/wiki/Guillaume_IV_od_Akvitanije)
- [Вилијам IV Аквитански](https://sr.wikipedia.org/wiki/%D0%92%D0%B8%D0%BB%D0%B8%D1%98%D0%B0%D0%BC_IV_%D0%90%D0%BA%D0%B2%D0%B8%D1%82%D0%B0%D0%BD%D1%81%D0%BA%D0%B8)
- [Vilhelm IV av Akvitanien](https://sv.wikipedia.org/wiki/Vilhelm_IV_av_Akvitanien)
- [Вільгельм IV (герцог Аквітанії)](https://uk.wikipedia.org/wiki/%D0%92%D1%96%D0%BB%D1%8C%D0%B3%D0%B5%D0%BB%D1%8C%D0%BC_IV_(%D0%B3%D0%B5%D1%80%D1%86%D0%BE%D0%B3_%D0%90%D0%BA%D0%B2%D1%96%D1%82%D0%B0%D0%BD%D1%96%D1%97))
- [Wikidata](https://www.wikidata.org/wiki/Q708547)

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