...Today, "when we think pink, we think Disney Princess, Barbie and Fifi the poodle," but according to Jo B. Paoletti, author of the forthcoming "Pink and Blue: Telling the Boys From the Girls in America," this is a relatively recent development. Prior to the second half of the 20th century, babies were dressed in all sorts of light colors ("so clothing could withstand frequent hot washings," Stewart explains), and when a pink-blue gender divide emerged, it didn't automatically go the way we'd expect it to. In France, pink was considered feminine and blue masculine, but "In Catholic Germany, little girls were dressed in blue in honor of the Virgin Mary, while little boys wore pink, considered a watered-down shade of masculine red." In America, there were supporters of both camps, but Ladies' Home Journal declared in 1918, "The generally accepted rule is pink for the boy and blue for the girl. The reason is that pink being a more decided and stronger color is more suitable for the boy, while blue, which is more delicate and dainty, is prettier for the girl."...