2015 Event Nuclear talks between Iran and Western nations fail to conclude by today's extended deadline, leading both sides to agree to another extension; Iran seeks removal of all U.N. sanctions in exchange for limitations on its nuclear development activities 2012 Event Ending an extensive study on the wooly mammoth, scientists conclude that they were wiped out by multiple things, including climate change, human hunters, and shifting habitats 1862 Event San Marino and Italy conclude treaty of friendship and cooperation 1805 Event Tripoli forced to conclude peace with U.S. after war over tribute
