Death of Mata Hari
Death of Mata Hari, executed for espionage
Permanent historical records · Updated 2026-11-03
1917 in Netherlands
Explore 6 historical events and records for Netherlands in 1917.
Historical records for Netherlands in 1917
Sorted by month and day. Records with no month are shown last. Showing 6 of 6 unique records.
6Unique records
1 of 1Page
5Named events on this page
3Named people on this page
3Places on this page
September
Execution
Shot in Paris by the Germans for espionage
Other events (month unknown)
Cosmology
De Sitter develops an expanding relativistic cosmological solution without matter, influencing later debate over cosmic expansion
Cosmology
De Sitter finds a relativistic cosmological solution that later becomes important in expanding universe models
De Sitter Cosmological Model
De Sitter develops a solution of Einstein's equations containing a cosmological constant, demonstrating that cosmic behaviour can be strongly affected by vacuum-like geometry.
De Sitter Universe
Develops a relativistic cosmological model with repulsive expansion-like behaviour.
How these records were prepared
Generated from the World History Database historical_events table. Identical display records are collapsed; descriptions otherwise retain the stored text. Coverage and source quality vary. Check primary and specialist sources before citing individual historical claims.