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Anglo-Persian Treaty

Collier's New Encyclopedia (1921)

an agreement entered into Aug. 9, 1919, at Teheran, capital of Persia, between Great Britain and Persia in regard to the future relation of the two countries. The text of the documents was published in England on Aug. 16. There were two main features of the instrument: one was an agreement on the part of Great Britain to furnish, at Persia's expense, military officers, munitions, and equipment for an army that should maintain order in Persia and on her frontiers. The second offered a loan to Persia of £2,000,000, which was to be redeemable in 20 years and take priority over all other debts, except a previous loan for a smaller amount. The loan was to bear interest at 7 per cent., and as collateral Persia pledged her customs receipts. Accompanying the agreement, and practically a part of it, were letters from the British representative offering to aid Persia in recovering her war claims, and in the adjustment of her boundaries. Considerable criticism arose in other countries as soon as the terms of the agreement were made known. The treaty was strongly attacked in the French press, which claimed that Great Britain had obtained a virtual protectorate over Persia. It was pointed out that the treaty had been concluded without first having been submitted to the League of Nations. It was alleged that Persian sovereignty had been practically destroyed. In commercial circles the agreement was looked at askance as an attempt to assure British control over the Persian oil fields and other great natural resources. British officials, however, asserted that Persian independence was not jeopardized by the agreement, and denied any purpose of creating a protectorate. The Persian Foreign Minister, speaking in behalf of his government, declared that the independence of Persia was not imperilled by the agreement, and that it gave Great Britain no permanent rights or monopolies.

What Has Changed in the Last Century

Collier's described the agreement of Aug. 9, 1919, as a live instrument, and reported the Persian Foreign Minister's assurance that it gave Britain "no permanent rights or monopolies." In fact it was never ratified by the Persian Majlis, and it was formally repudiated in 1921 by the government installed after Reza Khan's February coup "E just weeks after Persia signed a friendship treaty with Soviet Russia on Feb. 26, 1921. The critics quoted in the entry, who called it a virtual protectorate, largely won the argument: the episode is now taught as a byword for British overreach in Iran, and Reza Khan went on to found the Pahlavi dynasty in 1925 and to rename the country Iran in 1935. The oil interests the entry mentions outlasted the treaty, until Iran nationalised the Anglo-Iranian Oil Company in 1951.

Written for this edition, 2026.