* 2 July – [[Brussels Conference Act of 1890]] (anti-slavery convention)
* 2 July – [[Brussels Conference Act of 1890]] (anti-slavery convention)
* 21 July – first observance of 21 July as [[Belgian National Day]]; king lays the foundation stone of the [[Arcade du Cinquantenaire]] in Brussels.<ref>{{Cite web|url=http://www.irismonument.be/fr.Bruxelles_Extension_Est.Parc_du_Cinquantenaire.A016.html |title=Arcade et hémicycle, Parc du Cinquantenaire |website=[[Heritage registers in Belgium|Inventaire du patrimoine architectural]] |publisher=[[Brussels Capital Region]] |language=fr}}</ref>
* 21 July – first observance of 21 July as [[Belgian National Day]]; king lays the foundation stone of the [[Arcade du Cinquantenaire]] in Brussels.<ref>{{Cite web|url=http://www.irismonument.be/fr.Bruxelles_Extension_Est.Parc_du_Cinquantenaire.A016.html |title=Arcade et hémicycle, Parc du Cinquantenaire |website=[[Heritage registers in Belgium|Inventaire du patrimoine architectural]] |publisher=[[Brussels Capital Region]] |language=fr}}</ref>
* 16 to 21 August – Seventh International [[Eucharistic Congress]] held in Antwerp, with an estimated 150,000 participants.<ref>C. J. Kirkfleet, “International Eucharistic Congresses”, ”[[Catholic Historical Review]]”, 12:1 (1926), pp. 59–65.</ref>
* 16 to 21 August –Seventh International [[Eucharistic Congress]] held in Antwerp, with an estimated 150,000 participants.<ref>C. J. Kirkfleet, “International Eucharistic Congresses”, ”[[Catholic Historical Review]]”, 12:1 (1926), pp. 59–65.</ref>
* establishment of [[Sint-Leocollege (Brugge)|Sint-Leocollege]] in [[Bruges]]
* establishment of [[Sint-Leocollege (Brugge)|Sint-Leocollege]] in [[Bruges]]
* 1 January – [[Alphonse Six]], footballer (died 1914)
* 1 January – [[Alphonse Six]], footballer (died 1914)
* 5 March – [[Ann Codee]], actress (died 1961)
* 5 March – [[Ann Codee]], actress (died 1961)
* 25 June – [[Camille Tihon]], archivist (died 1972)
* 25 June –[[Camille Tihon]], archivist (died 1972)
* 10 October – [[Jan Vanderheyden]], film-maker (died 1961)
* 10 October – [[Jan Vanderheyden]], film-maker (died 1961)
* 13 November – [[Oscar Blansaer]], Olympic athlete (died 1962)
* 13 November – [[Oscar Blansaer]], Olympic athlete (died 1962)
* 23 May – [[Louis Artan]] (born 1837), artist
* 23 May – [[Louis Artan]] (born 1837), artist
* 5 July – [[Pierre Van Humbeeck]] (born 1829), politician
* 5 July – [[Pierre Van Humbeeck]] (born 1829), politician
* 3 September – [[Willem Linnig the Younger]] (born 1842), artist
* 3 September –[[Willem Linnig the Younger]] (born 1842), artist
* 22 September – [[Joanna Courtmans]] (born 1811), writer
* 22 September – [[Joanna Courtmans]] (born 1811), writer
* 23 October – [[Charles Verlat]] (born 1824), painter
* 23 October – [[Charles Verlat]] (born 1824), painter

Events in the year 1890 in Belgium.
- Sylvain Balau, Soixante-dix ans d’histoire contemporaine de Belgique (1815-1884), 3rd edition, with a preface by Charles Woeste (Liège, L. Grandmont-Donders, and Ghent, A. Siffer).[5]
- Dom Bernard, Geschiedenis der Benedictijner Abdij van Affligem (Ghent, A. Siffer)[6]
- Prosper de Haulleville, Les nonciatures apostoliques en Belgique depuis 1830
- Paul Fredericq, The Study of History in Holland and Belgium, translated by Henrietta Leonard (Baltimore, Johns Hopkins University Press)[7]
- Iwan Gilkin, La Damnation de l’artiste (Brussels, Edmond Deman)
- Alexis Marie Gochet, Les Congolais: leurs moeurs et usages. Histoire, géographie et ethnographie de l’état indépendant du Congo (Liège, H. Dessain)[8]
- Philippe Kervyn de Volkaersbeke, La Lutte de l’Irlande (Lille, Société de Saint-Augustin)[9]
- 2 March – Eudore Pirmez (born 1830), politician
- 22 March – Désiré de Haerne (born 1804), priest
- 11 May – Eugène Albert (born 1816), clarinet maker
- 23 May – Louis Artan (born 1837), artist
- 5 July – Pierre Van Humbeeck (born 1829), politician
- 3 September – Willem Linnig the Younger (born 1842), artist
- 22 September – Joanna Courtmans (born 1811), writer
- 23 October – Charles Verlat (born 1824), painter
- 16 November – Jean Auguste Ulric Scheler (born 1819), philologist
- 19 December – César De Paepe (born 1841), syndicalist
- 21 December – Eugène Anspach (born 1833), governor of the national bank
Media related to 1890 in Belgium at Wikimedia Commons



