Complex sentence: Nothing of the city was left but a smoking ruin; when Henningsen withdrew, he left an inscription on a lance reading, in Spanish, "Aquí fue Granada" ("Here was Granada").
Split into simpler sentences: Nothing of the city was left but a smoking ruin; when Henningsen withdrew, he left an inscription, stuck up on lance. It read, in Spanish, "Aquí fue Granada" ("Here was Granada").