Example image of eyePlorer eyePlorer map for '1818': Common year starting on Thursday Common year starting on Tuesday Gregorian calendar Julian calendar Roman numerals Frankenstein January 1 Mary Shelley January 3 Jupiter Occultation Venus 2060s November 22 Chile Chilean Declaration of Independence February 12 Easter March 22 Western Christianity 23rd century April 4 Flag of the United States United States Congress April 7 Brooks Brothers South Street Seaport Charles XIV John of Sweden May 11 Sweden Union between Sweden and Norway Norway September 7 Trondheim Europe Neutral Moresnet September 23 Lake of the Woods Northwest Angle October 20 Rocky Mountains Treaty of 1818 United Kingdom United States Anglo-Chinese College Malacca November 11 Robert Morrison (missionary) Ying Wa College December 3