2013 Event NASA completes a launch of the MAVEN, whose mission is to study Mars atmosphere in depth' the data from the MAVEN will help researchers construct a history of the climate on Mars and should help them understand how the water on Mars disappeared 1968 Event Gruener and Watson (U.S.) set scuba depth record (133 m) in Bahamas 1928 Event Fathometer, which measures underwater depth, patented
