Inventions, firsts, and turning points tied to today’s date — each one sourced and dated.
A 4.4-billion-year-old rock from space ended its journey in the trunk of a teenager's secondhand Chevrolet.
A day after his capture, the revolutionary was shot on army orders — and almost instantly became a global icon.
The last supernova seen with the naked eye in our galaxy outshone every star — and even rivaled Jupiter.
