National Find a Rainbow Day Timeline

1803

Thomas Young’s Rainbow

He explains that when light refracts to form a rainbow it refracts in two different rays, light and dark.

1978

The Rainbow Flag is Created

Gilbert Baker from San Francisco created the first rainbow flag. The original flag had nine colors for all inclusivity but was later removed to make it easier to produce.

1666

Sir Isaac Newton’s Prism Theory

Isaac Newton discovered that a ray of light is divided by a prism into two colors, the rainbow color spectrum and then white light.

1304

Theodoric Proposes a Valid Hypothesis for the Formation of Rainbows

A German Monk named Theodoric discovered the actual scientific reasons on how rainbows form.