<a href="https://en.wikipedia.org/wiki/Apollo_11_goodwill_messages" class="extiw" title="en:Apollo 11 goodwill messages">Goodwill messages</a> carried to the Moon by the Apollo 11 astronauts.
NASA
1969-07-13
<a rel="nofollow" class="external text" href="https://history.nasa.gov/ap11-35ann/goodwill_messages.html">History.nasa.gov</a>