Figures & data
Figure 1. Classic graph (1869) for Napoleon's March to Moscow in 1812, by Charles Minard (1781–1870)—see upload log. (Public Domain, https://commons.wikimedia.org/w/index.php?curid = 297925.)
Figure 2. Polar area diagrams by Florence Nightingale (1820–1910). (See https://www.agnesscott.edu/lriddle/women/nightpiechart.htm; Public Domain, https://commons.wikimedia.org/w/index.php?curid = 1474443.)
