Event:
Astronauts at the International Space Station have created a specialized wrench in their 3D printer using a custom-designed blueprint emailed to the station from engineers on Earth; previously, objects have been printed from pre-loaded design files
More Notable Events on December 16:
1983 Yogi Berra named Yankee manager for 2nd time
1976 Liberian tanker stranded at Nantucket, 180,000 barrels oil in sea
1973 O. J. Simpson becomes 1st NFLer to rush 2,000 yard in a season
1944 Battle of Bulge begins in Belgium
1915 Albert Einstein publishes the General Theory of Relativity
