February 12: Lady Jane Grey, who was declared Queen of England for nine days in 1553, is beheaded at the Tower of London
August 2: The battle of Marciano takes place in Tuscany.
April 12: Mary of Guise becomes regent of Scotland until her daughter Mary comes of age.

Year 1554 (MDLIV) was a common year starting on Monday of the Julian calendar.

Events

January – March

April – June

July – September

October – December

Date unknown

Births

Philip William, Prince of Orange

Deaths