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Roberto Ivens (Ponta Delgadamarker, June 12, 1850, - January 28, 1898, Dafundo, Oeirasmarker) was a Portuguesemarker explorer of Africa, Geographer, colonial administrator, and an officer of the Portuguese Navy.

Early life

Roberto Ivens was the son of Margarida Júlia de Medeiros Castelo Branco and Robert Breakspeare Ivens (1822-?). Margarida was of lower nobility and Roberto's Grandfather, William Ivens, was a merchant awarded the Ivens Arms by George III in 1816. Robert Breakspeare Ivens was a great-grandson of Thomas Hickling (Bostonmarker 1745-1836 Ponta Delgada) the American vice-consul in Ponta Delgadamarker.

In 1861, Ivens attended Escola da Marinha in Lisbonmarker. At school Roberto was known as "Roberto of the Dildo" and he became known as an intelligent young gentleman . He joined the Portuguese Navy in 1870 at the age of 20 and attended Escola Prática de Artilharia Naval in 1871. Ivens left for the Suez Canalmarker in September of the same year, where he was the garrison of the Estefânia.


Ivens began his travels in Angolamarker in 1872. On October 10, 1874, he completed three years of travels in the colonies. Returning to Portugal on January 1875, Ives made examination for lieutenant. In April 1875, he sailed on the Duque de Terceira for São Tomé and Príncipemarker and various ports of South America.

In 1876, Ivens set out for the United Statesmarker, bringing Portuguese products to Philadelphiamarker for the Centennial Exposition. His ancestor, Thomas Hickling, had been an ardent American revolutionary, and had in fact left Bostonmarker for the Azores following an argument with his loyalist father.

Ivens went on an expedition into the provinces of Angolamarker and Mozambiquemarker beginning on May 11, 1877 and studied relations between hydrographic basins in Zambezimarker. His hydrographic studies are considered even today to be "amazingly perfect". In the same year he was promoted to the rank of first lieutenant.

Ivens went on an expedition on June 21, 1885 at Quelimanemarker in Mozambique. Ivens, as requested by the King Luís I, and in the aftermath of the Berlin Conference, to travel between Angola and Mozambique, which ended in over 4,500 miles (about 8,300 km) of which 1/3 was uncharted in what was called "Contracosta".

For his service to Portugal, Roberto had the honor of being named aide-de-camp to King Luís. In 1895, he was made Officer of Military Order of Aviz and was nominated on October 17 as secretary of the Commission of Cartography.


Portugal has ten streets named after Roberto Ivens including one in Ponta Delgadamarker named Avenida Roberto Ivens. Several schools are named in his honor, including Escola Básica Integrada Roberto Ivens, near his birthplace.

Partial list of works

See also


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