The Treaties of Reichenbach were a series of agreements signed in Reichenbach (present-day Dzierżoniów) between Great Britain, Prussia, Russia, and Austria. These accords served to establish and strengthen a united coalition force against Napoleon I of France. On 14 June 1813 the Treaty of Reichenbach was signed between Great Britain and Prussia. Based on the terms of the accord, Britain agreed to provide Prussia a subsidy of 666,666 pounds sterling in order for Prussia to maintain its force of 80,000 troops. In exchange for this aid, the king of Prussia agreed to cede the principality of Hildesheim and other territories to the Electorate of Hanover. On 15 June 1813 the Treaty of Reichenbach was signed between Great Britain and Russia. Based on the terms of the accord, Great Britain agreed to provide Russia with a subsidy of 1,333,334 pounds sterling in order for Russia to maintain its force of 160,000 troops. On 27 June 1813 the Treaty of Reichenbach (also known as the Reichenbach Convention) was signed between Prussia, Russia, and Austria. Based on the terms of the accord, Austria agreed to declare war against Napoleon if he rejected its conditions of peace.