Their civilization flourished here between the 23rd and 18th centuries BC.
In the west, the Maya civilization flourished for hundreds of years.
How do we know that a great civilization might not have risen and flourished here aeons ago?
We are not empowered to take over planets where alien civilizations flourish.
Many civilizations flourished there, leaving behind a rich legacy of ancient art.
Their civilization flourished even more after the eruption than before it, but in the end they ran out of wood and had to leave the island.
For over three thousand years of their known history they have watched civilizations flourish and decay with their own lives.
This civilization flourished along the banks of the Salt River in the 13th and 14th centuries.
An advanced civilization once flourished in a fictional solar system.
Their civilization flourished for several hundred years until the Caribs invaded.