1951-10-15

Switch to the dark mode that's kinder on your eyes at night time.

Switch to the light mode that's kinder on your eyes at day time.

Switch to the dark mode that's kinder on your eyes at night time.

Switch to the light mode that's kinder on your eyes at day time.

This Day in History: 1951-10-15

(October 15, 1951)
The early oral contraceptive norethisterone is completed by Mexican scientist Luis E. Miramontes.
photo source: wikimedia.org