Complex sentence: The Maharishi celebrated Harrison's 25th birthday, on 25 February, with a cake and a display of fireworks, giving Harrison an upside-down plastic globe of the world and saying, George, the globe I am giving you symbolizes the world today.
Split into simpler sentences: The Maharishi celebrated Harrison's 25th birthday, on 25 February, with a cake and a display of fireworks. He gave Harrison an upside-down plastic globe of the world and said, George, the globe I am giving you symbolizes the world today.