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    Ypsilantis, Leader Greek Independence  
Alexander Ypsilantis was a member of a prominent Phanariot Greek family, a prince of the Danubian Principalities, a senior officer of the Imperial Russian cavalry during the Napoleonic Wars, and a leader of the Filiki Eteria, a secret organ...
 
    Santander, President Republic of New Granada  
Francisco José de Paula Santander y Omaña was a Colombian military and political leader during the 1810–1819 independence war of the United Provinces of New Granada (present-day Colombia). He was the acting President of Gran Colombia betwee...
 
    Sucre, Leader Independence, President of Peru and Bolivia  
Antonio José de Sucre y Alcalá, known as the "Gran Mariscal de Ayacucho" (English: "Grand Marshal of Ayacucho"), was a Venezuelan independence leader who served as the fourth President of Peru and the second President of Bolivia. Sucre was...
 
    Pedro I of Brazil, The Liberator, 1822  
Dom Pedro I, nicknamed "the Liberator", was the founder and first ruler of the Empire of Brazil. As King Dom Pedro IV, he reigned briefly over Portugal, where he also became known as "the Liberator" as well as "the Soldier King". Born in Li...
 
    Thorbecke, Dutch Constitution 1848  
Johan Rudolf Thorbecke was one of the most important Dutch politicians. In 1848, he virtually singlehandedly drafted the revision of the Dutch constitution, giving fewer powers to the king, and more to the parliament. Thorbecke was born...
 
    Charles Goodyear, Vulcanization Rubber - 1839  
Charles Goodyear was the inventor of vulcanization, a process that makes rubber harder, less soluble, and more durable. It is at the heart of rubber compounding, which played a key role at the onset of the Industrial Revolution. Goodyear ob...
 
    Liebig, Father of Fertilizer  
Justus Freiherr von Liebig was a German chemist who made major contributions to agricultural and biological chemistry, and worked on the organization of organic chemistry. As a professor, he devised the modern laboratory-oriented teaching m...
 
    John Lloyd Stephens, Rediscovery of The Maya  
John Lloyd Stephens was an American explorer, writer, and diplomat. Stephens was a pivotal figure in the rediscovery of Maya civilization throughout Middle America and in the planning of the Panama railroad. Stephens read with interest...
 
    Louis Braille, Inventor of Braille - 1824  
Louis Braille was a French educator and inventor of a system of reading and writing for use by the blind or visually impaired. His system remains virtually unchanged to this day, and is known worldwide simply as braille. Blinded in both...
 
    Henry Rawlinson, Deciphered Cuneiform  
Sir Henry Creswicke Rawlinson, 1st Baronet GCB was an English soldier, diplomat and orientalist. He is sometimes referred to as the "Father of Assyriology." Knowledge of cuneiform was lost until 1835 when Henry Rawlinson, a British East Ind...
 
    Sigurðsson, Leader Icelandic Independence  
Jón Sigurðsson was the leader of the 19th century Icelandic independence movement. Born at Hrafnseyri, near Arnarfjörður in the Westfjords area of Iceland, he was the son of a pastor, Sigurður Jónsson. He moved to Copenhagen, Denmark, in 18...
 
    Galle, Discovery Neptune - 1846  
Johann Gottfried Galle was a German astronomer at the Berlin Observatory who, with the assistance of student Heinrich Louis d'Arrest, was the first person to view the planet Neptune, and know what he was looking at, on 23 September, 1846. H...
 
    Samuel Colt, Mass Production of the Revolver, 1836  
Samuel Colt was an American inventor and industrialist from Hartford, Connecticut. He founded Colt's Patent Fire-Arms Manufacturing Company (today, Colt's Manufacturing Company), and made the mass production of the revolver commercially via...
 
    Sax, Inventing the Saxophone, 1842  
Antoine-Joseph (known as Adolphe) Sax was a Belgian musical instrument designer, best known for inventing the saxophone. Having left school, Sax began to experiment with new instrument designs. In 1841, Sax relocated permanently to Paris an...
 
    Gobineau, Theory Aryan Master Race  
Joseph Arthur Comte de Gobineau was a French aristocrat, novelist and man of letters who became famous for developing the racialist theory of the Aryan master race in his book An Essay on the Inequality of the Human Races (1853–1855). De Go...
 
       
 
         
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