Complex sentence: In 1863 Jovellar became a brigadier-general, in 1864 under-secretary for war; he was severely wounded in fighting the insurgents in the streets of Madrid, and rose to the rank of general of division in 1866.
Split into simpler sentences: In 1863 Jovellar became a brigadier-general and the following year he was appointed under-secretary for war. Despite being severely wounded in fighting insurgents on the streets of Madrid, he rose to the rank of general of division in 1866.