Treaty of Copenhagen may refer to:

• Treaty of Copenhagen (1441), a peace treaty ending the Dutch–Hanseatic War
• Treaty of Copenhagen (1468), by which Margaret of Denmark, was betrothed to James III of Scotland
• Treaty of Copenhagen (1660), a peace treaty in the Second Northern War
• Treaty of Copenhagen (1670), a treaty of commerce and alliance between Denmark-Norway and Great Britain
• Treaty of Copenhagen (1709), an alliance in the Great Northern War
• Copenhagen Convention of 1857 governing transit passage through the Danish straits, whereby a group of shipping nations bought out the Sound Dues in the Øresund
• Copenhagen Accord, a document adopted at United Nations Climate Change Conference 2009

• Copenhagen Convention (disambiguation)

This disambiguation page lists articles associated with the title Treaty of Copenhagen.
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