Solway Firth
2 of the 7 encyclopedias on this shelf carry an entry for Solway Firth. Both are reproduced below, so you can see where they agree and where they differ.
Collier's New Encyclopedia (1921)
an arm of the Irish Sea, forming part of the boundary between England and Scotland, and extending inland in a N. E. direction for above 41 miles, with a breadth diminishing from 20 miles, at its entrance between St. Bees Head in Cumberland, and Rayberry Head in Kirkcudbrightshire, to 7 miles, and finally only to 2 miles. A large portion of the Solway is left dry at ebb tide. It abounds with fish and has valuable salmon fisheries. SOLYMAN I., or SULEIMAN, the NOBLE, Emperor of Turkey, was proclaimed emperor after the defeat and capture of his father, Bajazet, by Timour, 1402. He was dethroned by his brother, Mousa, during a revolt of his subjects, and soon after killed, 1410. SOLYMAN II. surnamed the MAGNI- FICENT; born in 1493, succeeded his father, Selem I., in 1520. Having concluded a truce with Ismael, sophi of Persia, and quelled a rebellion in Syria. he turned his arms against Europe. In 1521 he took Belgrade; and in the following year Rhodes fell into his hands after an obstinate defense. In 1529 he made himself master of Buda, and then laid siege to Vienna, whence he was obliged to retreat with the loss of 120,000 men. In 1534 he marched into the East, and took Tauris from the Persians, but was soon afterward defeated by the Shah. His forces were also repulsed before Malta; but he took the Isle of Chios in 1566. He was a poet, legislator, and warrior of eminent greatness for an Oriental. He encouraged arts and literature, made roads, bridges, erected noble mosques and public buildings, and superintended the compilation of an administrative code. He died in Szigeth, Hungary, in 1566. SOLYMAN III., became sultan on the deposition of his brother, Mahomet IV., in 1687. His life had been spent up to his 49th year, in the seraglio, where he had devoted himself to the study of the Koran. Under his weak rule the Turks were defeated in Hungary and in Servia. He died in Constantinople in 1691.
Aiton's Encyclopedia (1910)
an arm of the Irish Sea. It extends forty miles inland between Cumberland, England, and the Scottish coast. It narrows nearly to a point, up which the tides rush with great force and upon retiring leave large expanses of bare sand. "Love swells like the Solway, but ebbs like its tide," declared young Lochinvar at the bridal feast. The reader will find a vivid picture of sands, gypsies, fishermen's nets, and smuggling in Scott's Redgauntlet. The country of Carlyle lies on the Scottish side of the inner Solway. Gretna Green , the Mecca of runaway English couples, is the first village on the Scottish side of the border line. See Gretna Green ; Tides Solyman I (1490-1566), a sultan of Turkey. He was the surnamed "The Magnificent." He was the son of Selim I and became sultan in 1520. The Turkish Empire reached its highest point under Solyman. He captured Belgrade from the Hungarians in 1521, and later carried his victorious arms to the very walls of Vienna. He captured the island of Rhodes from the Knights of St. John, 1522. He also stripped Persia of territory as far as Bagdad and annexed part of Armenia. The Barbary States came under the ruling of Turkey during the reign of Solyman. See Turkey