This month, we're celebrating the birthdays of the following women trailblazers and leaders:

• Martha Brookes Hutcheson, landscape architect (October 2)

• Ruth Cheney Streeter, the first director of the U.S. Marine Corps Women's Reserve and first woman to attain the rank of major in the U.S. Marine Corps (October 2)

• Lucy Tayiah Eads, Native American who was the first woman to serve as principal chief of the Kaw Nation (October 4)

• Helen Churchill Candee, feminist and writer (October 5)

• Fannie Lou Hamer, civil rights activist (October 6)

• Florence B. Seibert, biochemist whose work enabled the creation of a reliable test for tuberculosis (October 6)

• Harriet Boyd Hawes, archaeologist (October 11)

• Eleanor Roosevelt, First Lady who later served as the United States delegate to the United Nations General Assembly (October 11)

• Marion Donovan, inventor who invented the first waterproof diaper (October 15)

• Lucy Stanton, abolitionist and the first Black American woman to complete a four-year college course (October 16)

• Annie Smith Peck, mountaineer (October 19)

• Bertha Knight Landes, politician who served as mayor of Seattle, making her the first woman mayor of a major American city (October 19)

• Kamala Harris, politician who represented California in the U.S. Senate and became the first woman vice president of the U.S. (October 20)

• Enolia McMillan, first woman president of the NAACP (October 20)

• Gertrude Ederle, Olympic swimmer (October 23)

• Marjorie Joyner, inventor and businesswoman who was the first Black American woman to patent a permanent hair-wave machine (October 24)

• Belva Lockwood, first woman admitted to practice law before the Supreme Court and first eligible woman to run for president (October 24)

• Katharine Byron, member of Congress and the first woman elected to Congress from Maryland (October 25)

• Helen Blanchard, inventor whose patents included a pencil sharpener and a hat sewing machine (October 25)

• Henrietta Hill Swope, astronomer (October 26)

• Hillary Clinton, First Lady who later represented New York in the Senate, served as United States Secretary of State, and ran for president (October 26)

• Dolores Moore, baseball player who played in the All-American Girls Professional Baseball League (October 27)

• Margaret Rousseau, chemical engineer who was the first woman member of the American Institute of Chemical Engineers (October 27)

• Edith Head, costume designer who won a record eight Academy Awards for Best Costume Design (October 28)

• Natalie Sleeth, composer and pianist (October 29)

• Marie van Brittan Brown, nurse and inventor who was one of the co-inventors of the home security system (October 30)

• Juliette Gordon Low, founder of the Girl Scouts (October 31)

Click here to read the October newsletter in full.