On this day:

1990 Chlorofluorocarbons (CFCs) are banned via London Amedment to Montreal Protocol, to protect the ozone layer

2007 Apple releases the first iPhone

Born on this day:

1864 Ashutosh Mukherjee, Bengali educator, jurist, barrister and mathematician described as the “Banglar Bagh” (Tiger of Bengal)

1893 Prasanta Chandra Mahalanobis, Indian scientist and applied statistician (Mahalanobis distance). His birthdate is celebrated annually as “National Statistics Day”

1900 Antoine de Saint-Exupéry, French writer of The Little Prince

Gone on this day:

1895 Thomas Henry Huxley, English biologist