1851 (MDCCCLI) was a common year starting on Wednesday (dominical letter E) of the Gregorian calendar and a common year starting on Monday (dominical letter G) of the Julian calendar, the 1851st year of the Common Era (CE) and Anno Domini (AD) designations, the 851st year of the 2nd millennium, the 51st year of the 19th century, and the second year of the 1850s decade. As of the start of 1851, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localised use until 1918.

Events

January–March

April–June

July–September

May 15: Rama IV crowned.

October–December

August 22: America triumphs.

Date unknown

Births

January–June

July–December

Date unknown

Deaths

January–June

July–December

Date unknown