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North Atlantic Treaty Organization
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North Atlantic Treaty Organization North Atlantic Treaty Organization: members and partners North Atlantic Treaty Member states of NATO NATO and the Warsaw Pact Kosovo conflict flag-raising ceremony marking the accession of the Czech Republic, Hungary, and Poland to NATO Jerzy Buzek, Miloš Zeman, Javier Solana, and Viktor Orbán at a ceremony marking the accession of the Czech Republic, Hungary, and Poland to NATO Volodymyr Zelensky during the Russian invasion of Ukraine Magdalena Andersson and Sanna Marin
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NATO summary
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North Atlantic Treaty Organization: Facts & Related Content

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News •

US is selling weapons to NATO allies to give to Ukraine, Trump says • July 11, 2025, 10:35 PM ET (AP)
The EU presidency says Europe must rearm within 5 years. It's unclear how that could be done. • July 8, 2025, 9:13 AM ET (AP)
Russia launches largest missile and drone barrage on Kyiv since war in Ukraine began • July 5, 2025, 2:31 AM ET (AP)
Trump says US has given Ukraine too many weapons in first public comments on pause in shipments • July 3, 2025, 7:11 PM ET (AP)
Ukraine's European backers mull their options after the US pauses weapons shipments • July 3, 2025, 3:18 PM ET (AP)

Facts

Also Known As NATO
Date August 24, 1949 - present
Areas Of Involvement defense • How does a country become a member of NATO?
Related People Dwight D. Eisenhower • Harry S. Truman • Konrad Adenauer • Mark Rutte • Joseph Dunford • John Shalikashvili • Eric K. Shinseki • Javier Solana • Ernest Bevin • Dean Acheson • Jaap de Hoop Scheffer • Rick Hillier • Willy Claes • Peter Carington, 6th Baron Carrington • Alcide De Gasperi

Did You Know?

  • No country that has joined NATO has ever opted to leave it.
  • The Russian occupation of the Crimean Peninsula in 2014 prompted NATO to cease cooperation with Russia.

Photos

North Atlantic Treaty Organization
North Atlantic Treaty Organization: members and partners
North Atlantic Treaty
NATO and the Warsaw Pact
Kosovo conflict
flag-raising ceremony marking the accession of the Czech Republic, Hungary, and Poland to NATO
Jerzy Buzek, Miloš Zeman, Javier Solana, and Viktor Orbán at a ceremony marking the accession of the Czech Republic, Hungary, and Poland to NATO
Volodymyr Zelensky during the Russian invasion of Ukraine
Magdalena Andersson and Sanna Marin
North Atlantic Treaty Organization
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