What happened in 1771

2 entries recorded for 1771, listed by date. That was 255 years ago.

1771 at a glance

Years ago
255 (as of 2026)
Century
18th century
Decade
1770s
Generation born
Before the named generations
Entries here
2
Breakdown
2 historical events

July

  • July 17

    Dene

    Historical event

    Dene men who were acting as guides to Samuel Hearne on his exploration of the Coppermine River in present-day Nunavut, Canada, massacred a group of about twenty Copper Inuit.

October

  • October 17

    Ascanio in Alba

    Historical event

    Ascanio in Alba, an opera composed by Wolfgang Amadeus Mozart (pictured) at the age of 15, premiered in Milan.

Questions about 1771

What happened in 1771?

This site records 2 entries for 1771, including Dene on July 17. They are listed below by date.

How long ago was 1771?

255 years ago, counting from 2026. Anyone born in 1771 turns 255 this year.

Which century is 1771 in?

1771 falls in the 18th century, in the 1770s.

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