Example image of eyePlorer eyePlorer map for '1844': Gregorian calendar Julian calendar Leap year starting on Monday Leap year starting on Saturday Roman numerals Indiana January 15 University of Notre Dame Dominican Republic February 27 Haiti February 28 Potomac River USS Princeton (1843) March 8 Monarch Oscar I of Sweden Union between Sweden and Norway Columbus and Xenia Railroad March 12 Ohio Bahá'í calendar March 21 Debtors' prison Fleet Prison London Báb Bábism May 23 Mullá Husayn Persian people Prophet Baltimore Electrical telegraph May 24 Samuel Morse Washington, D.C. George Williams (YMCA) June 6 YMCA Charles Goodyear June 15 Natural rubber Patent Vulcanization Delta Kappa Epsilon Fraternities and sororities June 22 North America Yale University
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