Complex sentence: On George's return, preparations for Edward and Alexandra's coronation were well in handbut just a few days before the scheduled coronation in June 1902 the king became seriously ill with appendicitis.
Split into simpler sentences: On George's return, preparations for Edward and Alexandra's coronation were well in hand. Just a few days before the scheduled coronation in June 1902, however, the King became seriously ill with appendicitis.