PastlasHistorical atlas

Ruler · 1743 – 1821

William I, Elector of Hesse

Lived 1743 – 1821; ruler, politician. Elector of Hesse of Electorate of Hesse, 1803 – 1821; also in the line of Grand Duchy of Hesse. The atlas files them under Electorate of Hanover.

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

Lived
1743 – 1821
78 years
In office
18 years
one reign
Lines
2
states
Left it
ending not on record
nothing on record

Elector of Hesse

Electorate of Hesse · the 1st of 3 dated reigns · 1803 – 1866

William I, Elector of Hesse1803 – 1821
William II of Hesse-Kassel1821 – 1847
Frederick William, Elector of Hesse1847 – 1866
William I, Elector of Hesse · 1803 – 1821 · this entry18201830184018501860
ending not on recordthis entry

Reigned 1803 – 1821 · 18 years

Left it
ending not on recordnothing on record: no death date to read the end against

Also in the line of Grand Duchy of Hesse (1st of 6).

Open in the atlas

Wikidata Q506216 (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 2026-10-07 · Pastlas v2.13.1, by Oleh Voronko. The published atlas and its data are for non-commercial use.