Portal:Anniversaries/April 14: Difference between revisions
Jump to navigation
Jump to search
meta>Stephen Foskett No edit summary |
m 1 revision imported |
||
(No difference)
| |||
Latest revision as of 14:56, 23 July 2021
- 1629 — Dutch astronomer Christiaan Huygens is born. He built the first pendulum clocks and pioneered pocket watches.
- 1889 — German watchmaker Georg Friedrich Roskopf, inventor of the Roskopf escapement, dies.
- 1956 — Rolex shows the first Day-Date at the Basel Fair.
- 1988 — Automatic quartz technology is unveiled at Baselworld by both Seiko and Jean d'Eve.