Complex sentence: Since the dawn of history, when there appeared first empires visible on the world map, the trend was towards ever-larger empires List of largest empires demonstrates record progression of largest empires in terms of both territory and population.
Split into simpler sentences: Since the dawn of history, when there appeared first empires visible on the world map, the trend was towards ever-larger empires. The List of largest empires demonstrates record progression of largest empires in terms of both territory and population.