25 November : International Day for the Elimination of Violence against Women

23 november 2021
Spain signed the Council of Europe Convention on Access to Official Documents (CETS No. 205)..

18 November 2021
Azerbaijan signed Protocol No. 16 to the Convention for the Protection of Human Rights and Fundamental Freedoms (CETS No. 214).

21 October 2021
Luxembourg ratified the Second Additional Protocol to the European Convention on Mutual Assistance in Criminal Matters (ETS No. 182).
Iceland signed the European Convention on Transfrontier Television (ETS No. 132).

7 October 2021
The United Kingdom signed the Protocol amending the Additional Protocol to the Convention on the Transfer of Sentenced Persons (CETS No. 222).