2014 Event The U.N. issues a report concluding that immediate global actions are needed to prevent runaway impacts of climate change; the report claims failure to act now will result in extensive future damage which will be prohibitively expensive to control 2014 Event The U.S. Federal Aviation Administration removes its ban on air travel to Israel after concluding that Israel will be able to prevent risks to aircraft during the conflict with Hamas 2013 Event Upon concluding their search for chemical weapons in Syria, UN inspectors leave Damascus 1993 Event Mats Wilander defeats Mikael Pernfors 7-6 (7-3), 3-6, 1-6, 7-6 (8-6), 6-4 in 4 hours 1 minutes U.S. Open Tennis match concluding at 2:26 AM 1969 Event USAF closes Project Blue Book, concluding no evidence of extraterrestrial spaceships behind thousands of UFO sightings