State · 1830 – present
Belgium
A state of 1830 – present — 196 years, still standing in Europe. It replaced United Kingdom of the Netherlands. The atlas records 102 things within it — wars and battles 40 · unrest and atrocity 5 · famine and plague 1 · treaties 6 · people 50. Its line of rulers holds 9 people.
- Still standing: the span runs to the year of the build, 2026.
For the full story, the article on Wikipedia (CC BY-SA 4.0); this page holds what the record says of the state.
- Stood
- 196 years
- and still standing
- Rulers
- 9
- the King of the Belgians
- Most ground
- 46,300 km²
- in 1885
- Within it
- 102
- recorded rows
- Symbols
- 6
- on record, with years
1830 · first mapped · 25,000 km²
1885 · at its largest · 46,300 km²
1945 · last mapped · 31,100 km²
Where it sits in time
Five thousand years, 3000 BCE to 2026; the state in gold, what it replaced or followed and what replaced or followed it in grey.
Before and after
The states the record files it as replacing or following, and those that replaced or followed it - Wikidata's own statements, each read from this state's side.
Before it
- United Kingdom of the Netherlands · replaces · 1815 – 1839
Rulers
The line of King of the Belgians - the office this state names as its head of state.
| Ruler | Reign | Length | How it ended · source | To the ruler before |
|---|---|---|---|---|
| Érasme-Louis Surlet de Chokier | 1831 – 1831 | under a year | left office aliveread off the dates alone | |
| Leopold I of Belgium | 1831 – 1865 | 34 years | died in office, manner not recordedread off the dates alone | |
| Leopold II of Belgium | 1865 – 1909 | 44 years | died in office of natural causesWikidata's manner of death | child |
| Albert I of Belgium | 1909 – 1934 | 25 years | died by accidentWikidata's manner of death | nephew or niece |
| Leopold III of Belgium | 1934 – 1951 | 17 years | left office aliveread off the dates alone | child |
| Prince Charles, Count of Flanders | 1944 – 1950 | 6 years | left office aliveread off the dates alone | sibling |
| Baudouin of Belgium | 1951 – 1993 | 42 years | died in office of natural causesWikidata's manner of death | nephew or niece |
| Albert II of Belgium | 1993 – 2013 | 20 years | ending not on record | sibling |
| Philippe of Belgium | 2013 – in office | in office since 2013 | still in office | child |
9 rulers, 9 with terms dated as terms, covering 1831 – 2013. Median reign 22.5 years. 2 of 8 handovers irregular - a killing, a deposition, a rival claimant, a rising or a coup beside it. A blank in the last column means no kin on record, which is coverage, never “unrelated”.
Heads of government
The line of Prime Minister of Belgium, drawn and never measured: a cabinet is not a reign.
| Étienne Constantin de Gerlache | 1831 – 1831 |
| Joseph Lebeau | 1831 – 1831 |
| Félix de Mûelenaere | 1831 – 1832 |
| Albert Joseph Goblet d'Alviella | 1832 – 1834 |
| Barthélémy de Theux de Meylandt | 1834 – 1840 |
| Joseph Lebeau | 1840 – 1841 |
| Jean-Baptiste Nothomb | 1841 – 1845 |
| Sylvain Van de Weyer | 1845 – 1846 |
| Barthélémy de Theux de Meylandt | 1846 – 1847 |
| Charles Rogier | 1847 – 1852 |
| Henri de Brouckère | 1852 – 1855 |
| Pierre De Decker | 1855 – 1857 |
| Charles Rogier | 1857 – 1868 |
| Walthère Frère-Orban | 1868 – 1870 |
| Jules D'Anethan | 1870 – 1871 |
| Barthélémy de Theux de Meylandt | 1871 – 1874 |
| Jules Malou | 1874 – 1878 |
| Walthère Frère-Orban | 1878 – 1884 |
| Auguste Beernaert | 1884 – 1894 |
| Jules Malou | 1884 – 1884 |
| Jules de Burlet | 1894 – 1896 |
| Paul de Smet de Naeyer | 1896 – 1899 |
| Jules Vandenpeereboom | 1899 – 1899 |
| Paul de Smet de Naeyer | 1899 – 1907 |
| Jules de Trooz | 1907 – 1907 |
| Frans Schollaert | 1908 – 1911 |
| Charles de Broqueville | 1911 – 1918 |
| Léon Delacroix | 1918 – 1920 |
| Gérard Cooreman | 1918 – 1918 |
| Henri Carton de Wiart | 1920 – 1921 |
| Georges Theunis | 1921 – 1925 |
| Aloys Van de Vyvere | 1925 – 1925 |
| Prosper Poullet | 1925 – 1926 |
| Henri Jaspar | 1926 – 1931 |
| Jules Renkin | 1931 – 1932 |
| Charles de Broqueville | 1932 – 1934 |
| Georges Theunis | 1934 – 1935 |
| Paul van Zeeland | 1935 – 1937 |
| Paul-Émile Janson | 1937 – 1938 |
| Paul-Henri Spaak | 1938 – 1939 |
| Hubert Pierlot | 1939 – 1945 |
| Achille Van Acker | 1945 – 1946 |
| Camille Huysmans | 1946 – 1947 |
| Paul-Henri Spaak | 1947 – 1949 |
| Gaston Eyskens | 1949 – 1950 |
| Jean Duvieusart | 1950 – 1950 |
| Joseph Pholien | 1950 – 1952 |
| Jean Van Houtte | 1952 – 1954 |
| Achille Van Acker | 1954 – 1958 |
| Gaston Eyskens | 1958 – 1961 |
| Théo Lefèvre | 1961 – 1965 |
| Pierre Harmel | 1965 – 1966 |
| Paul Vanden Boeynants | 1966 – 1968 |
| Gaston Eyskens | 1968 – 1973 |
| Edmond Leburton | 1973 – 1974 |
| Leo Tindemans | 1974 – 1978 |
| Paul Vanden Boeynants | 1978 – 1979 |
| Wilfried Martens | 1979 – 1981 |
| Wilfried Martens | 1981 – 1992 |
| Mark Eyskens | 1981 – 1981 |
| Jean-Luc Dehaene | 1992 – 1999 |
| Guy Verhofstadt | 1999 – 2008 |
| Herman Van Rompuy | 2008 – 2009 |
| Yves Leterme | 2009 – 2011 |
| Elio Di Rupo | 2011 – 2014 |
| Charles Michel | 2014 – 2019 |
| Sophie Wilmès | 2019 – 2020 |
| Alexander De Croo | 2020 – 2025 |
| Bart De Wever | 2025 – … |
Ground held, by year
km² inside its borders as the borders dataset draws them, measured on an equal-area grid; a step series, held between the years the dataset maps.
25,000 km² in 1830, 31,100 km² in 2020; at its largest 46,300 km² in 1890. Cliopatria, CC BY 4.0.
Flags and arms, in order
Each symbol with the years its own statement gives; the timeline flies the one of the year on screen.

coat of arms, undatedMiddle coat of arms of Belgium · CC BY-SA 3.0 · Sodacan 
coat of arms, undatedState Coat of Arms of Belgium · CC BY-SA 3.0 · Sodacan .svg/120px-Arms_of_Belgium_(with_crown).svg.png)
coat of arms, undatedArms of Belgium (with crown) · CC BY-SA 4.0 · Sodacan .svg/120px-Flag_of_Belgium_(civil).svg.png)
flag, from 1831Flag of Belgium (civil) · Public domain 
flag, from 1831Flag of Belgium · Public domain 
coat of arms, from 1837Great coat of arms of Belgium · CC BY-SA 3.0 · Sodacan , with some elements by Katepanomegas
What happened within it, by century
Every row the atlas hosts under this state, by the century it began in: wars and battles in red, risings, regime changes and massacres beside them, everything else in grey. A tall bar is a century the record is full for, which is partly a fact about Wikipedia.
1800 – 189919 rows · 4 wars and battles
- Maurice Maeterlinck · philosopher · 1862 – 1949
- Leopold II of Belgium · ruler · 1835 – 1909
- René Magritte · artist · 1898 – 1967
- Georges Lemaître · scientist · 1894 – 1966
- Albert I of Belgium · ruler · 1875 – 1934
- Paul-Henri Spaak · politician · 1899 – 1972
- Maxime Weygand · politician · 1867 – 1965
- Henri Pirenne · scientist · 1862 – 1935
and 11 more in the atlas.
1900 – 199975 rows · 36 wars and battles · 3 risings, regime changes and massacres
- Ursula von der Leyen · scientist · 1958 – present
- Donald Tusk · politician · 1957 – present
- Claude Lévi-Strauss · philosopher · 1908 – 2009
- Philippe of Belgium · ruler · 1960 – present
- Herman Van Rompuy · politician · 1947 – present
- Marguerite Yourcenar · writer · 1903 – 1987
- Georges Simenon · writer · 1903 – 1989
- Albert II of Belgium · ruler · 1934 – present
and 67 more in the atlas.
2000 – 20996 rows · 2 risings, regime changes and massacres
- 2016 Brussels bombings · atrocity · 2016
- COVID-19 pandemic in Belgium · plague · 2020
- 2011 Liège attack · atrocity · 2011
- European Fiscal Compact · treaty · 2012
- European Union–Ukraine Association Agreement · treaty · 2014
- 2013 Brussels Agreement · treaty · 2013
Among all states
Each measure against the states that carry it, never against all of them: a bar is the share of those states below this one.
- How long it stood196 years
stood longer than 62% of 3,187 states with a recorded end or still standing.
- The most ground it held46,300 km²
held more ground at its peak than 34% of 1,465 states with a border in Cliopatria.
- Wars recorded per centurynone
had more wars on record per century than 44% of 3,187 states, counting the wars the atlas hosts under each.
- How long a reign lasted, at the median25 years
had longer reigns, at the median, than 75% of 967 states whose dated line can carry a median.
- Rulers on record9
has more rulers on record than 78% of 1,968 states with a line of rulers.
What led to it, and what came of it
The investigation's own picture: 14 causes the record names and 0 results, the strongest six of each at their own years, joined to the state by the kind of claim - a recorded statement solid, the article's sentence dashed, a theory dash-dot.
Open the investigation: every row with its evidence, the conditions at the time, the theories condition by condition, and the succession analysed.
Open in the atlas
- On the timeline, 1810 – 2046, with everything that stood beside it.
- On the map in 1885, live: scrub the year and watch its borders move.
- Investigate it: what led to it, what came of it, and its succession analysed.
Wikidata Q31 (CC0) · borders Cliopatria, CC BY 4.0 · coast and rivers Natural Earth · symbols from Wikimedia Commons, each credited above · data built 2026-10-06 · Pastlas v2.9.1, by Oleh Voronko. The published atlas and its data are for non-commercial use.