Complex sentence: This is an image of the young Benito Mussolini, it was taken during his early adult years, since he was murdered in 1945, this image has long been in the public domain as per the attached license on Italian copyright laws.
Split into simpler sentences: This is an image of the young Benito Mussolini, it was taken during his early adult years. Since he died in 1945, this image has long been in the public domain as per the attached license on Italian copyright laws.