Søren Kierkegaard launches his attack on Christendom represented by the Church of Denmark with a series of newspaper pamphlets and polemics today collected under the title The Moment.
Publications
George Boole, The Laws of Thought (1854)
Henry David Thoreau, Walden (1854)
Births
January 1 - James George Frazer (died 1941)
April 29 - Henri Poincaré (died 1912)
Deaths
August 20 - Friedrich Wilhelm Joseph Schelling (born 1775)