21.   Today even most Turks consider Antakya remote and undistinguished, but when it was Antioch its glory shone throughout the known world.

22.   He was outta there, going on a ten-year dream tour of the known world.

23.   The find is giving historians insights into naval construction during an era when Portuguese voyagers pushed back the boundaries of the known world.

24.   When he died, he had spread Greek culture through much of the known world.

25.   Gazprom owns a quarter of known world reserves of natural gas.