Permanent historical records · Updated 2026-11-03

1866 in Chile

Explore 3 historical events and records for Chile in 1866.

Historical records for Chile in 1866

Sorted by month and day. Records with no month are shown last. Showing 3 of 3 unique records.

3Unique records
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1Named people on this page
1Places on this page

August

Boundary Treaty with Bolivia

Perez Mascayano, Jose Joaquin · Santiago · President of Chile · Government / Government of Chile

Signs a treaty defining the Chilean-Bolivian boundary at the twenty-fourth parallel.

September

Second Presidential Term

Perez Mascayano, Jose Joaquin · Santiago · President of Chile · Government / Government of Chile

Begins his second presidential term during the transition toward more liberal constitutional politics.

Other events (month unknown)

State Lands in Araucania

Perez Mascayano, Jose Joaquin · Santiago · President of Chile · Government / Government of Chile

Approves measures declaring Mapuche lands subject to state control during territorial expansion in Araucania.

How these records were prepared

Generated from the World History Database historical_events table. Identical display records are collapsed; descriptions otherwise retain the stored text. Coverage and source quality vary. Check primary and specialist sources before citing individual historical claims.