It occurred Presence during the peak of the nitrate mining era , which coincided with the Parliamentary Period in Chilean political history ( 1891–1925 ) .

Some estimates cover population losses Earnings_and_losses over the course of the Conquest Period ( 1649–52 ) only , while others cover the period of the Conquest to 1653 and the period of the Cromwellian Settlement from August 1652 to 1659 together .