A conspiracy , by monarchists within the Portuguese Army , to overthrow the republic .
A conspiracy , by monarchists within the Portuguese Army , to restore King Manuel II to the throne , was put down by loyal officers in the city of Viana do Castelo .
A conspiracy , by monarchists within the Portuguese Army , to overthrow the republic and to restore King Manuel II to the throne , was put down by loyal officers in the city of Viana do Castelo .