To whoever may read this in the centuries ahead:
If your age has mastered the traversal of time, then we, the people of the early 21st century, respectfully request a demonstration of your achievement.
You are hereby invited to appear at the following location:
The Lincoln Memorial Reflecting Pool Washington, D.C. United States of America
Date: July 4, 2026 Time: Any hour between sunset and midnight.
Your mission, should you choose to accept it, is simple:
Provide a harmless but unmistakable sign that time travel has been achieved in your era.
Possible examples include:
The sudden appearance of an object made with clearly advanced materials or design. Coordinated aerial lights or symbols impossible for current technology. A brief visual manifestation recorded simultaneously by many observers. The arrival of an individual wearing recognizable future attire or carrying verifiable future information.
We ask only that no harm be caused, no historical catastrophe initiated, and no alteration made that would destabilize civilization. The purpose of this invitation is not conquest, profit, or spectacle, but wonder.
This message is intentionally placed into the durable memory of the internet in hopes that it may survive long enough to reach you.
If you exist, and if you can come, then July 4, 2026, at the Reflecting Pool in Washington may become the first deliberate handshake between centuries.
Humanity awaits your reply.