1856 Cullen Whipple patents a machine for making screws
2015 Dr. Jesse Selber performs the world’s first partial-skull and scalp transplant at Houston Methodist Hospital
781 BC Oldest Chinese recording of a solar eclipse
1769 A transit of Venus is followed five hours later by a total solar eclipse, the shortest such interval in history
1822 Alexis St. Martin shot in the stomach and treated by physician William Beaumont on Mackinac Island. Leads Beaumont to conduct digestion experiments through hole in St. Martin’s stomach.
1882 Electric iron patented by Henry W Seely, NYC
2018 Special pedestrian lane introduced just for “phubbers” slow-walking smartphone users in Xi’an, China
1834 Hardhat diving suit patented by Leonard Norcross, Dixfield, Maine
1834 Sandpaper patented by Isaac Fischer Jr, Springfield, Vermont
1847 Robert Bunsen invents the Bunsen burner
1881 Player piano patented by John McTammany Jr (Cambridge, Massachusetts)
1879 W. H. Richardson, an African-American inventor, patents the children’s carriage (Patent no. 405599)
1892 Macadamia nuts 1st planted in Hawaii
2006 Pluto’s newly discovered moons are officially named Nix and Hydra
1834 American inventor and businessman Cyrus McCormick patents the reaping machine
1638 Lunar eclipse is 1st astronomical event recorded in the American Colonies
1867 1st barbed wire patented by Lucien B Smith of Ohio