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The following lists events that happened during 2015 in the Grand Duchy of Luxembourg.
Incumbents
Events
- 7 June - In a constitutional referendum, a large majority of voters reject lowering the voting age to 16, extending the right to vote in general elections to foreign residents, and the introduction of term limits for government members.
References
- "Luxembourg's grand duke abdicates after 25 years". Le Monde. 3 October 2025. Retrieved 29 March 2026.
