1910 Chicago garment workers' strike, Sep. 22 1910 - Feb. 18 1911

1912 The Bread and Roses Strike begins in Lawrence, Massachusetts.

1912 Juliette Gordon Low (1860-1927) founded the Girl Scouts of America.

1912 Oregon's Equal Suffrage Proclamation

1912 U.S. Children's Bureau is formally created.

1913 Mary Harris "Mother" Jones is arrested after leading protest of conditions in West Virginia mines.

1913 White goods workers of New York strike.

1913 The woman suffrage parade in Washington, D.C. draws more than 5000 marchers.

1914 Ludlow Massacre (April 14)

1914 Margaret Sanger publishes the first issue of The Woman Rebel.

1914 Elsie De Wolfe's The House in Good Taste is published.

1915 The Women's International League for Peace and Freedom is founded.

1916 Suffrage activist Inez Miholland collapses while speaking on stage in Los Angeles, and dies a month later.

1916 Jeannette Rankin of Montana becomes the first American woman elected to the United States Congress.

1916 Keating-Owen Child Labor Act of 1916

1916 The National Woman's Party is founded.

1917 Georgia O'Keeffe's first one-person show is held at the 291 gallery New York.

1919 Julia Morgan begins work on the Hearst Castle.

1920 The 19th Amendment to the United States Constitution passes.

1921
Amelia Earhart takes her first flying lesson from Neta Snoook

1921 The Bryn Mawr Summer School for Women Workers is established.

1925 Florence Sabin becomes the first female member of the National Academy of Sciences.

1925 Mary Breckinridge organizes Frontier Nursing Service to provide health care to remote areas of Eastern Kentucky

1926 Bertha K. Landes is elected mayor of Seattle.

1928 Margaret Mead publishes Coming of Age in Samoa.

1931 Jane Addams, Nobel Peace Prize co-winner, pioneered the concept of the "settlement house" in the U.S. by opening Chicago's Hull House in 1889.

1932 Amelia Earhart's solo Atlantic flight.

1933 As Secretary of Labor, Frances Perkins becomes the first female cabinet member.

1935 The National Council of Negro Women is founded by Mary McLeod Bethune.

1936  Eleanor Roosevelt to Walter White detailing the First Lady's lobbying efforts for federal action against lynchings, 19 March 1936

1938 Pecan-Shellers' Strike [The Handbook of Texas Online]

1938 Zora Neale Hurston begins working for the Florida division of the Work Projects Administration (WPA).

1941 Jeannette Rankin is the only legislator to vote against the declaration of war on Japan after the raid on Pearl Harbor.

1942 Oveta Culp Hobby is appointed Director of the The Women's Army Auxiliary Corps (WAAC).

1943 The All-American Girls Professional Baseball League is formed.

1943 Cornelia Fort becomes the first American woman pilot to die flying a military aircraft.

1943 Jacqueline Cochran is appointed head of the Woman's Airforce Service Pilots (WASP)

1943 Mildred Harnack is executed for treason on Hitler's orders.

1948 Margaret Chase Smith becomes the first woman elected to both houses of Congress.

1949 Burnita Shelton Matthews is named Federal District Court judge for the District of Columbia.

1951 Barbara McClintock discovers mobile genetic elements in plants.

1952 Virginia Apgar develops and introduces the Apgar Score, a system for rating a newborn's pulse, respiration, muscle tone, color and reflexes.

1953 Ethel and Julius Rosenberg are executed for treason.

1955 Rosa Parks refuses to give up her seat to a white man on a bus in Montgomery, Alabama.

1956 Autherine Lucy enrolls at the University of Alabama after more than three years of court action.

1957 Dorothy Height becomes president of the National Council of Negro Women.

1960 The drug company G.D. Searle receives FDA approval to sell "the pill."

1961 President J. F. Kennedy establishes the President's Commission on the Status of Women.

1961 Women Strike for Peace is founded.

1962 Dolores Huerta plays a major role in the formation of the National Farm Workers Association.

1963 Katharine Graham becomes president of the Washington Post.

1966 National Organization for Women is established.

1969 Founding of the Chicago Women's Liberation Union (CWLU).

1969 President Richard Nixon creates the Task Force on Women's Rights and Responsibilities to recruit and train women for upper-level governmental positions.

1969 Roxcy Bolton successfully challenges "men only" sections in restaurants.

1970 Anna Mae McCabe Hays becomes the first woman general in the U.S. Army.

1970 Bella Abzug wins election to the U.S. House of Representatives.

1971 The National Women's Political Caucus (NWPC) is founded by Gloria Steinem, Betty Friedan, and Bella Abzug.

1972
The Equal Rights Amendment is passed by the Senate and submitted to the states for ratification.

1973 Roe v. Wade

1978 The first home pregnancy tests start appearing on drug store shelves.

1981 Collaboration between Georgeanna Jones and Howard Jones results in the first child conceived by in-vitro fertilization in the United States.

1981 Sandra Day O'Connor becomes the first woman appointed to the United States Supreme Court. O'Connor discusses her book, Lazy B: Growing Up On a Cattle Ranch in the American Southwest, on Booknotes.

1983 Barbara McClintock wins the Nobel Prize in Physiology or Medicine.

1986 Rita Levi-Montalcini and Stanley Cohen are awarded the Nobel Prize in Physiology or Medicine for their discoveries of nerve growth factor and epidermal growth factor.

1990 Darlene M. Iskra becomes the first woman to take command of a U.S. Navy ship.

1994 Violence Against Women Act of 1994