President of Switzerland
Appointed President of Switzerland
Role range: 1999-
Historical biography archive · Updated 2026-11-03
Ruth Dreifuss Biography and Timeline
Follow Ruth Dreifuss through 2 dated historical records for Switzerland.
Ruth Dreifuss, historical timeline
A chronological timeline drawn from matching World History Database records.
2Distinct records
1 of 1Page
1999–1999Years on this page
1999
Updated Federal Charter Approved
Voters and cantons approved a complete editorial revision of the Swiss federal constitution on 18 April 1999.
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.