First day of Summer

Summer began for 1860 at thirty-five minutes past noon, Washington D.C. time.
Source Citation
The American Almanac and Repository of Useful Knowledge for the Year 1860 (Boston: Crosby, Nichols, and Company, 1859), 4.
    Date Certainty
    Exact
    Type
    Science/Technology
    How to Cite This Page: "First day of Summer," House Divided: The Civil War Research Engine at Dickinson College, https://hd.housedivided.dickinson.edu/node/20453.