1891 (MDCCCXCI) was a common year starting on Thursday of the Gregorian calendar and a common year starting on Tuesday of the Julian calendar, the 1891st year of the Common Era (CE) and Anno Domini (AD) designations, the 891st year of the 2nd millennium, the 91st year of the 19th century, and the 2nd year of the 1890s decade. As of the start of 1891, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.

Events

January–March

April–June

July–September

October–December

Date unknown

Births

January–March

April–June

July–September

October–December

Date unknown

Deaths

January–June

July–December