2013 Event Scientists discover that a large amount of bacterial life forms live in the deepest part of the world's oceans, the Mariana Trench, which is about 6.831 miles 2012 Event U.S. Presidential candidate Mitt Romney wins caucuses in the Northern Mariana Islands, the Virgin Islands, Guam and Wyoming 1986 Event Northern Mariana Islands becomes a Commonwealth associated with US 1975 Event Voters in Northern Mariana Is approve commonwealth status with U.S. 1967 Birthday Mariana Perez-Roldan, Argentina, tennis star 1956 Birthday Mariana Simionescu, Tirgu Neamt Romania, 1st wife of Bjorn Borg 1723 Death Mariana Alcoforado, nun (schreef no Lettres Portuguese), dies at 63 1640 Birthday Mariana Alcoforado, Portugal, nun
