The first radio signals were sent from the Eiffel in 1898. Eugène Ducretet successfully sent these to the Pantheon.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/98289997@N08">Peter Benedik</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/peter-benedik/15640160815/">Radio signals from Eiffel tower</a>