Unix Timestamp: 1311206400
Thursday, July 21. 2011, 12:00:00 AM UTC

Space Shuttle Atlantis lands at the Kennedy Space Center, concluding its final mission and marking the end of the 30-year Space Shuttle program. //www.usatoday.com/tech/science/space/2011-07-21-shuttle-atlantis-landing_n.htm (USA TODAY), //www.cnn.com/2011/US/07/21/shuttle.landing/ ("CNN")

Space Shuttle Atlantis lands successfully at Kennedy Space Center after completing STS-135, concluding NASA's space shuttle program.ref name=landing times