1731

Same year, around the world
Featured events in 1731
1731North AmericaCulture

Franklin Founds the Library Company

In Philadelphia, Franklin persuaded fifty members of his Junto to pool shillings and order books from London. The Library Company became the first subscription library in the colonies. Knowledge was becoming a civic asset, circulated and returned, not hoarded. American reading habits had taken a shape they would not lose.

June 25, 1731Enlightenment
1731EuropePolitics

Treaty of Vienna

Britain, Austria, and the Dutch Republic agreed to accept the Pragmatic Sanction and Maria Theresa's eventual inheritance in exchange for the dissolution of Charles VI's Ostend East India Company. Each side thought it had got the better bargain. Nine years later, every one of the signatories would be at war.

June 9, 1731Enlightenment
1731Middle EastPolitics

Treaty of Ahmet Pasha

The Ottomans signed a peace with Nader Shah's resurgent Persia, yielding back some of the territory taken during Safavid collapse. The Sublime Porte recognized that its eastern neighbor was reviving. Meanwhile in Istanbul the first Turkish-language printing press, run by Ibrahim Muteferrika, had begun producing books. Reform was happening in two directions at once.

January 10, 1731Enlightenment
1731North AmericaScience

Sextant Independently Invented

Thomas Godfrey, a Philadelphia glazier, and John Hadley, a London gentleman, independently built reflecting instruments that could measure the angle between the sun and the horizon from a rolling deck. Priority quarrels followed. The sea, indifferent to credit, gained the tool that would make longitude findable and ocean crossings calculable.

December 1731Enlightenment

Want 1731 in context? Print the whole 18th century as a one-sheet timeline chart.

Compare years

Frequently asked

What happened in the year 1731?

Saeculum lists 4 curated events from 1731. The most significant is Franklin Founds the Library Company: In Philadelphia, Franklin persuaded fifty members of his Junto to pool shillings and order books from London.

What era was 1731 part of?

1731 falls within the Enlightenment (1651-1800). Reason, revolution, and the first global wars.

Which regions saw notable events in 1731?

The curated events from 1731 span North America, Europe and Middle East.

Related guides