1435    An agreement between Charles VII of France and Philip the Good ends the partnership between the English and Burgundy in Hundred Years' War.

1738    A treaty between Pennsylvania and Maryland ends the Conojocular War with settlement of a boundary dispute and exchange of prisoners.

1814    The Convention of London, a treaty between the United Kingdom and the United Provinces, is signed in London.

1867    Alaska purchase: Passing by a single vote, the United States Senate ratifies a treaty with Russia for the purchase of Alaska.

1913    Guatemala becomes a signatory to the Buenos Aires copyright treaty.

1914    Honduras becomes a signatory to the Buenos Aires copyright treaty.

1916    Costa Rica becomes a signatory to the Buenos Aires copyright treaty.

1919    Uruguay becomes a signatory to the Buenos Aires copyright treaty.

1920    Peru becomes a signatory to the Buenos Aires copyright treaty.

1922    Brazil becomes a member of the Berne Convention copyright treaty.

1936    Colombia becomes a signatory to the Buenos Aires copyright treaty.

1950    Argentina becomes a signatory to the Buenos Aires copyright treaty.

1955    Cold War: Eight communist bloc countries, including the Soviet Union, sign a mutual defense treaty called the Warsaw Pact.

1955    Chile becomes a signatory to the Buenos Aires copyright treaty.

1967    Argentina becomes a member of the Berne Convention copyright treaty.

1967    Uruguay becomes a member of the Berne Convention copyright treaty.

1972    India and Bangladesh sign a friendship treaty.

1988    Peru becomes a member of the Berne Convention copyright treaty.

1990    George H. W. Bush and Mikhail Gorbachev sign a treaty to end chemical weapon production.

1991    Ecuador becomes a member of the Berne Convention copyright treaty.

1997    The Dominican Republic becomes a member of the Berne Convention copyright treaty.