Message placed in bottle and jettisoned from German sailing barque <i>Paula</i> on June 12, 1886 as part of a scientific drift bottle experiment, probably under auspices of the German Naval Observatory. Bottle was discovered in Western Australia in early 2018.
<a href="https://de.wikipedia.org/wiki/Deutsche_Seewarte" class="extiw" title="de:Deutsche Seewarte">German Naval Observatory</a>, 1886 or before.
<p>Hamlyn, Charlotte, "Oldest-known message in a bottle found on WA beach 132 years after being tossed overboard", <a rel="nofollow" class="external free" href="http://www.abc.net.au/news/2018-03-06/oldest-known-message-in-a-bottle-found-on-wa-beach/9518632">http://www.abc.net.au/news/2018-03-06/oldest-known-message-in-a-bottle-found-on-wa-beach/9518632</a>, Australian Broadcasting Corporation, March 6, 2018.
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