https://en.wikipedia.org/wiki/File:Ejercito_Libertador_cruce_de_Cordillera_de_los_andes.jpg#/media/File:Ejercito_Libertador_cruce_de_Cordillera_de_los_andes.jpg (the author died in 1930 and the painting was created in 1909)
https://en.wikipedia.org/wiki/Arturo_Michelena#/media/File:Vuelvan_caras.jpg (the author died in 1898)
Both depict crucial moments in the South American struggle for independence. (I can't make up my mind which one I prefer, so either will be fine

Please tell me if I'm doing this correctly or if you need more info.