Scholars have identified interesting parallels between the military alliances of NATO and the ancient Athenian-led Delian League.

That administration also in 2018 hosted the Baltic Summit, underscoring defense commitment to Estonia, Latvia and Lithuania.

Why it matters: Under Truman, the U.S. became a founding member of NATO on April 4, 1949. The alliance was ... "There is nothing new in the world except the history you do not know." ...

Key Milestones in NATO’s History Formation (1949): The establishment of NATO with 12 founding members with Belgium, Canada, Denmark, France, Iceland, Italy, Luxembourg, the Netherlands ...