Inventions, firsts, and turning points tied to today’s date — each one sourced and dated.
On a single April morning, astronauts hoisted a school-bus-sized telescope above Earth and changed how we see the universe.
A 900-word paper in 1953 cracked the shape of the molecule of life — and quietly hinted at how it copies itself.
A single ceremonial pickaxe blow at a future port town began a decade of digging across the Egyptian desert.
A 63-man U.S. patrol rode into 1,600 Mexican troops on disputed ground, and within weeks two nations were at war.
