Nuclear Ban Treaty Opens for Signature
The Treaty on the Prohibition of Nuclear Weapons opens for signature at United Nations Headquarters.
Role range: 2017-
Historical biography archive · Updated 2026-11-03
António Guterres Biography and Timeline
Follow António Guterres through 2 dated historical records for Portugal.
António Guterres, historical timeline
A chronological timeline drawn from matching World History Database records.
2Distinct records
1 of 1Page
2017–2021Years on this page
2017
2021
Nuclear Ban Treaty Enters Force
The Treaty on the Prohibition of Nuclear Weapons enters into force.
Role range: 2017-
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.