Seeking NATO membership for 32 years and facing Russian aggression for over a decade, Ukraine has undergone significant changes and contributed to the reconsideration of NATO’s original concepts.
From: Kyiv Post by Viktoriia Stepanenko

April 4 marks the founding day of NATO. On this day in 1949, representatives of 12 countries, including the United States, Great Britain, France, Canada, Italy, and Norway, signed the North Atlantic Treaty in Washington, which was ratified later the same year.
US President Harry Truman declaredat the signing ceremony: “Men with courage and vision can still determine their own destiny. They can choose slavery or freedom – war or peace…”.