Ruler · 1901 – 1983

Leopold III of Belgium

Lived 1901 – 1983; monarch, politician. King of the Belgians of Belgium, 1934 – 1951; also in the line of Belgian Congo and Belgian colonial empire.

For the full story, the article on Wikipedia (CC BY-SA 4.0); this page holds what the record says of the reign.

Lived: 1901 – 1983; 82 years
In office: 17 years; one reign
Lines: 3; states
Left it: left office alive; read off the dates alone

King of the Belgians

Belgium · the 5th of 9 dated reigns · 1831 – 2013

1 before

Leopold I of Belgium1831 – 1865

Leopold II of Belgium1865 – 1909

Albert I of Belgium1909 – 1934

Leopold III of Belgium1934 – 1951

Prince Charles, Count of Flanders1944 – 1950

Baudouin of Belgium1951 – 1993

Albert II of Belgium1993 – 2013

1 after

died in officeleft alive by a regular roadstill in officeending not on recorda second row: a reign that began before the last had ended — rival claimants, or a shared thronethis entry

Reigned 1934 – 1951 · 17 years · came to it aged 33

Came to it: the child of the ruler before, on record
Left it: left office aliveread off the dates alone: the term ends in 1951; they died in 1983

Also in the line of Belgian Congo (3rd of 4) and Belgian colonial empire (4th of 6).

Open in the atlas

Leopold III of Belgium in the atlas: the article, every line they sat in, and the map in their years.
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Wikidata Q12973 (CC0) · the reigns from Wikidata's P39 terms, the rulers' own articles read by grammar (sentences quoted above, CC BY-SA 4.0) and Kokkonen & Sundell where they code the line · data built 2026-10-06 · Pastlas v2.9.1, by Oleh Voronko. The published atlas and its data are for non-commercial use.