Protected … World

… was inhabited by an early Bronze Age civilization some two million years ago. Interestingly, the … has also found evidence of hidden observation posts on the … that were built by the First League. It would appear that they studied the … aliens while making an effort to avoid cultural contamination. Most of the observation posts were destroyed by advanced energy weapons, and we have found nothing yet to explain why the … civilization never advanced beyond the Bronze Age.

The command below will trigger the "Protected … World" event in Stellaris:

When this event fires, you can choose between the following option:

• Remarkable.
  • Start special project: Observation Post