1730
Hadley's Reflecting Octant
John Hadley, an English mathematician, demonstrated his new reflecting octant to the Royal Society.
Tulip Era Ends in Revolt
An Albanian janissary named Patrona Halil led a mob through Istanbul that deposed Ahmed III and killed his grand vizier, Ibrahim Pasha.
Réaumur's Thermometer Scale
René Antoine Ferchault de Réaumur presented his alcohol thermometer to the French Academy of Sciences, using a scale where water froze at zero and boiled…
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Frequently asked
What happened in the year 1730?
Saeculum lists 3 events from 1730. The most significant is Hadley's Reflecting Octant: John Hadley, an English mathematician, demonstrated his new reflecting octant to the Royal Society.
What era was 1730 part of?
1730 falls within the Enlightenment (1651-1800). Reason, revolution, and the first global wars.
Which regions saw notable events in 1730?
The events from 1730 span Europe and Middle East.