Portuguese Empire Portuguese personnel established logging infrastructure in an area now referred to as the "Portuguese Fireplace". Throughout 1917 Portugal dispatched contingents of troops to the Allied front in France. Midway in the year, Portugal suffered its first World War I casualty. In Portuguese Africa, Portugal and the British fought numerous battles against the Germans in both Mozambique and Angola. Later in the year, U-boats entered Portuguese waters again and once more attacked Madeira, sinking multiple Portuguese ships. Through the beginning of 1918, Portugal continued to fight along the Allied front against Germany, including participation in the infamous Battle of La Lys.
Portuguese Guinea Portuguese Guinea Portuguese Guinea (), called the Overseas Province of Guinea from 1951, was a West African colony of Portugal from the late 15th century until 10 September 1974, when it gained independence as Guinea-Bissau. The Portuguese Crown commissioned its navigators to explore the Atlantic coast of West Africa to find the sources of gold. The gold trade was controlled by Morocco, and Muslim caravan routes across the Sahara also carried salt, kola, textiles, fish, grain, and slaves. The navigators first passed the obstruction of Cape Bojador in 1437 and were able to explore the West African coast as far