Complex sentence: The single reached the top of the British charts on 12 December of that year, displacing The Rolling Stones' "Little Red Rooster", and remained there for five weeks, and the top of the Billboard Hot 100 in late 1964.
Split into simpler sentences: The single reached the top of the British charts on 12 December of that year, displacing The Rolling Stones' "Little Red Rooster", and remained there for five weeks. It also reached the top of the Billboard Hot 100 in late 1964.