Illustration Credits

Wikipedia Commons: 1, 3, 5, 6, 9, 11, 13, 22, 30, 37

Wikipedia Commons (Courtesy Museum of Fine Arts, Boston): 2

Museo Centrale del Risorgimento: 4

Library of Congress: 7, 17, 19

Wikipedia Commons (Courtesy of U.S. Department of the Interior): 8

German Federal Archives: 10, 14, 18, 20

Courtesy of Elan Steinberg: 12

Collezione Cartoline Albertomos: 15

AP Photo: 16, 28, 29, 31, 33

National Archives: 21, 35

© Bettmann/CORBIS: 23, 25, 26, 34, 36

© Corbis: 24

© Gianni Giansanti/Sygma/Corbis: 27

AP/Raul Fornezza: 32

© Andrzej Grygiel/epa/Corbis: 38

© KNA-Bild/dpa/Corbis: 39

© Gianni Giansanti/Immaginazione/Corbis: 40

Author photo of Vanity Fair cover: 41

© Stringer/Italy/Reuters/Corbis: 42

AP Photo/El Salvador School: 43

Author photo of Time cover: 44

© Alessandro Bianchi/Reuters/Corbis: 45