Discover events in American history – plus the stamps that make them come alive.
Today’s Article
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May 16, 2026
Birth of the Laser – International Day of Light
On May 16, 1960, Theodore Maiman fired up a device that turned a flash of light into something sharper, brighter, and far more useful. His first working laser later gave May 16 its place as the International Day of Light, a yearly reminder of how light-based science changed medicine, communications, industry, and daily life.
