Albert I, Prince of Monaco

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Albert I
Albert I, c. 1910
Prince of Monaco
Reign	10 September 1889 – 26 June 1922
Predecessor	Charles III
Successor	Louis II
Born	(1848-11-13)13 November 1848 Paris, France
Died	26 June 1922(1922-06-26) (aged 73) Paris, France
Burial	Saint Nicholas Cathedral, Monaco
Spouse	Lady Mary Hamilton ​ ​ (m. 1869; ann. 1880)​ Alice Heine ​ ​ (m. 1889; sep. 1902)​
Issue	Louis II, Prince of Monaco
Names Albert Honoré Charles Grimaldi
House	Grimaldi
Father	Charles III, Prince of Monaco
Mother	Antoinette de Mérode

Albert I (Albert Honoré Charles Grimaldi; 13 November 1848 – 26 June 1922) was Prince of Monaco from 10 September 1889 until his death in 1922. He devoted much of his life to oceanography, exploration and science. Alongside his expeditions, Albert I's reign oversaw major reforms on political, social, and economic levels, with the Monégasque Revolution leading to the end of absolute monarchy and his promulgation of a constitution in 1911.