Protocol to the North Atlantic Treaty on the Accession of
Greece and Turkey
London, October 22, 1951
The Parties to the North Atlantic Treaty, signed at
Washington on April 4, 1949
Being satisfied that the
security of the North Atlantic area will be enhanced by
the accession of the Kingdom of Greece and the Republic
of Turkey to that Treaty,
Agree as follows:
Upon the entry into force of this Protocol, the
Government of the United States of America shall, on
behalf of all the Parties, communicate to the Government
of the Kingdom of Greece and the Government of the
Republic of Turkey an invitation to accede to the North
Atlantic Treaty, as it may be modified by Article 2 of
the present Protocol. Thereafter the Kingdom of Greece
and the Republic of Turkey shall each become a Party on
the date when it deposits its instruments of accession
with the Government of the United States of America in
accordance with Article 10 of the Treaty.
If the Republic of Turkey becomes a Party to the North
Atlantic Treaty, Article 6 of the Treaty shall, as from
the date of the deposit by the Government of the Republic
of Turkey of its instruments of accession with the
Government of the United States of America, be modified
to read as follows:
"For the purpose of Article 5, an armed attack on one or
more of the Parties is deemed to include an armed attack:
- on the territory of any of the Parties in Europe or
North America, on the Algerian Departments of France,
on the territory of Turkey or on the islands under
the jurisdiction of any of the Parties in the North
Atlantic area north of the Tropic of Cancer;
- on the forces, vessels, or aircraft of any of the
Parties, when in or over these territories or any
other area in Europe in which occupation forces of
any of the Parties were stationed on the date when
the Treaty entered into force or the Mediterranean
Sea or the North Atlantic area north of the Tropic of
Cancer."
The present Protocol shall enter into force when each of
the Parties to the North Atlantic Treaty has notified the
Government of the United States of America of its
acceptance thereof. The Government of the United States
of America shall inform all the Parties to the North
Atlantic Treaty of the date of the receipt of each such
notification and of the date of the entry into force of
the present Protocol.
The present Protocol, of which the English and French
texts are equally authentic, shall be deposited in the
Archives of the Government of the United States of
America. Duly certified copies thereof shall be
transmitted by that Government to the Governments of
all the Parties to the North Atlantic Treaty.
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Original Source: gopher://gopher.nato.int:70/00/natodata/BASIC/a1.txt
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