Italian conquest of the Horn of Africa (1924–1940) and Buna. The Ethiopians recorded 275,000 combatants killed in action, 78,500 patriots (guerrilla fighters) killed during the occupation, 17,800 civilians killed by aerial bombardment and 30,000 in the February 1937 massacre, 35,000 people died in concentration camps, 24,000 patriots executed by Summary Courts, 300,000 persons died of privation due to the destruction of their villages, amounting to 760,300 deaths. Italian conquest of the Horn of Africa (1924–1940) The Italian conquest of the Horn of Africa was initiated in 1924 by the fascist government of Italy under Benito Mussolini. With great brutality, Somalia had been totally pacified by late 1927. In
German horn excessive. Although the French firm Jérôme Thibouville-Lamy in about 1928 introduced a piston-valved double-horn with ascending third valve, designed in collaboration with the horn player Louis Vuillermoz, the double horn has continued to be identified mainly as a German horn. The double horn essentially combines two instruments into a single frame: one horn in F, and a second, higher horn keyed in B. Like the single horn it has three valves, but each has a double set of tubing, the first tuned in F and a shorter set in B. By depressing a fourth valve (usually operated by the thumb),