SaolaSept. 20, 1519: Ferdinand Magellan departs Portugal on the first successful circumnavigation of the world. The fleet succeeds, but Magellan is killed by a poison arrow in the Philippines in 1521.

Sept. 20, 2006: Britain’s leading science organization, the Royal Academy, calls on ExxonMobil to stop issuing “inaccurate and misleading” information about climate change, and to stop its funding of climate-denial groups.

Sept. 20, 2010:  An animal not seen in the wild for more than a decade makes a re-appearance.   The saola (at right), a cattle-like wild animal known as the “Asian unicorn” for its long horns, is captured in the jungles of Laos.

Photo: Wikimedia Commons

This feature is compiled by Peter Dykstra, an MNN contributor and publisher of Environmental Health News and The Daily Climate.