Emissaries from Belgium, Denmark, the Republic of France, Ireland, Italy, Luxembourg, the Netherlands, Norway, Sweden, and the United Kingdom sign the 1949 Treaty of London creating the Council of Europe for the purpose of promoting democracy, human rights and the rule of law.
[added 5/17/2025] Thanks to Freedoms Phoenix for this entry.
Subsequent Events:
4/18/1951
References:
Statute of the Council of Europe – Wikipedia
en.wikipedia.org/wiki/Statute_of_the_Council_of_Europe