This suppression, and the success of independence movements in the former Spanish colonies on the North American mainland, led to a notable rise of Cuban nationalism. A number of independence conspiracies developed during the 1820s and 1830s, but all failed. Among these were the "Expedición de los Trece" (Expedition of the 13) in 1826, the "Gran Legión del Aguila Negra" (Great Legion of the Black Eagle) in 1829, the "Cadena Triangular" (Triangular Chain) and the "Soles de la Libertad" (Suns of Liberty) in 1837. Leading national figures in these years included Félix Varela (1788-1853) and Cuba's first revolutionary poet, José María Heredia (1803-1839).