Spain

Spain signed the Treaty of The Hague on 17 February 1720, joining the Quadruple Alliance and ending the war.

The Dutch Republic joined the Treaty of Seville on 29 November 1729.

Great Britain, the Habsburg monarchy, and the Dutch Republic signed the treaty on 16 March 1731.

Spain signed the treaty on 22 July 1731, leading to Austrian recognition of Charles of Spain as Duke of Parma and Piacenza.

Construction of Fort Matanzas began in 1740 following orders from Manuel de Montiano to guard the Matanzas Inlet.

Franco-Spanish forces defeated Sardinian troops on the outskirts of Cuneo on 30 September 1744.

Spain and Portugal concluded the Treaty of Madrid on 13 January 1750 to resolve colonial boundary disputes.

The treaty expressly abandoned the Treaty of Tordesillas and Zaragoza as the legal basis for colonial division.

The treaty adopted the Roman law principle of uti possidetis to legitimize current territorial holdings.

During 1793 the kings of Portugal and Naples and the Grand Duke of Tuscany declared war against France.

France declared war against Spain soon after the 1 February 1793 declarations against Britain and the Netherlands.

The French First Republic declared war against Britain and the Netherlands on 1 February 1793.

The Holy Roman Empire declared war against France on 23 March 1793, joining the coalition during the course of that year.

France and Spain signed the Treaty of Aranjuez on 21 March 1801, publicly confirming the secret October 1800 Third Treaty of San Ildefonso.

The Royal Navy intercepted and defeated a Spanish squadron transporting gold and silver to Cádiz, escalating tensions between Spain and Britain.

Spain formally declared war on the United Kingdom on 14 December 1804, initiating the second phase of the Anglo-Spanish War.

Economic provisions for Spain's inclusion in the British commercial system failed to materialize despite a signed treaty.

Eleven countries signed the convention in Paris on 20 March 1883, establishing the Union for industrial property protection.

Articles 2 and 3 mandated that nationals of member states receive equal protection in other Union countries.

Article 4 established the Convention priority right, allowing applicants to preserve filing dates across borders.

Article 11 required temporary protection for goods exhibited at official international exhibitions.

Ten countries signed the first version of the Berne Convention on 9 September 1886 in Bern, establishing legal principles for protecting original works.

Spain formally relinquished sovereignty over Cuba, ending its presence in the Americas.

The Treaty of Paris demanded formal recognition of Cuban independence by Spain.

The Treaty of Paris was signed on December 10, 1898, officially ending the Spanish–American War with terms favorable to the United States.