%0 Generic %D 2020 %T IAU Commission C3 Newsletter %E Sara J. Schechner %X Newsletter of the International Astronomical Union Commission C3 (History of Astronomy), edited and published semiannually at the Summer and Winter Solstices by Sara Schechner, Secretary of IAU Commission C3.  %V vol. 2020 %P 57pp %G eng %N no. 1