<P> With the Declaration of Independence of the Mexican Empire from Spain in 1821, Mexico became an independent monarchy--the First Mexican Empire (1822--1823). The monarchy was soon replaced by the First Republic of Mexico . Mexico briefly reverted into a monarchy in the 1860s, during the Second Mexican Empire (1864--1867). </P> <P> In both instances of Empire, the reigning Emperor was forcibly deposed and then executed . </P> <Table> <Tr> <Th> Name </Th> <Th> Lifespan </Th> <Th> Reign start </Th> <Th> Reign end </Th> <Th> Notes </Th> <Th> Family </Th> <Th> Image </Th> </Tr> <Tr> <Td> Agustín I </Td> <Td> (1783 - 09 - 27) 27 September 1783--19 July 1824 (1824 - 07 - 19) (aged 40) </Td> <Td> 19 May 1822 </Td> <Td> 19 March 1823 </Td> <Td> </Td> <Td> Iturbide </Td> <Td> </Td> </Tr> </Table> <Tr> <Th> Name </Th> <Th> Lifespan </Th> <Th> Reign start </Th> <Th> Reign end </Th> <Th> Notes </Th> <Th> Family </Th> <Th> Image </Th> </Tr>

Who was proclaimed the first emperor of mexico