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Unnamed US lawmaker

The history of women on US postage stamps begins in 1893, when Queen Isabella became the first woman on a US stamp. Queen Isabella helped support Christopher Columbus's 1492 voyage, and 1893 marked the end of a year-long celebration of the 400th anniversary of that voyage. The first US stamp honoring an American woman honored Martha Washington, and it was issued in 1902. In 1907, Pocahontas became the first Native American woman to be honored on a US stamp. In 1978, Harriet Tubman became the first African-American woman to be honored on a US stamp. In 2001, Frida Kahlo became the first Hispanic woman to be honored on a US stamp, though she was Mexican not American.