1960: The bathyscaphe USS Trieste reaches a record depth of 10,911 metres in the Challenger Deep of the Mariana Trench.
<strong>Date:</strong> Jan-23<br> <strong>Category:</strong> Science/Exploration<br><br> <strong>Event (English):</strong><br> 1960: The bathyscaphe USS Trieste reaches a record depth of 10,911 metres in the […]