On This Day in Science
What happened in science, spaceflight, and science fiction on this date, by Hong Kong time.
Today
Science on this day
- 2008
Launch involving the Moon
- 1879
A milestone involving an engineering first
Nearby dates
- 1520
Discovery involving a science milestone
Nearby dates · 21 Oct - 2007
Launch involving China's Chang'e lunar programme
Nearby dates · 24 Oct - 1861
A milestone involving an engineering first
Nearby dates · 24 Oct - 1851
Discovery involving a satellite
Nearby dates · 24 Oct - 2020
A milestone involving a science milestone
Nearby dates · 20 Oct
Adapted from Wikipedia date pages, released under a Creative Commons licence.