| 1789 | Ontario County, New York is established from the Phelps and Gorham land purchase. |
| 1795 | William Clough Bloss is born in Stockbridge, Massachusetts on January 19. |
| 1798 | Isaac Post is born in Westbury, New York on February 26. |
| 1802 | Amy Kirby is born in Jericho, New York on December 20. |
| 1805 | Henry Selden is born in Lyme, Connecticut on October 14. |
| 1810 | Abigail Norton is born. |
| 1814 | Emily Collins is born on August 11. |
| 1816 | Rhoda Palmer is born north of Geneva, New York on June 25. |
| 1818 | Frederick Douglass is born. |
| 1818 | Sarah Kirby is born on Long Island, New York on January 16. |
| 1820 | Susan B. Anthony is born in North Adams, Massachusetts on February 15. |
| 1821 | Clara Barton is born in North Oxford, Massachusetts on December 25. |
| 1821 | Elizabeth Blackwell is born near Bristol, England on February 3. |
| 1821 | Livingston County, New York is formed. |
| 1821 | Monroe County, New York is established. |
| 1822 | Elizabeth Smith is born near Geneseo, New York on September 20. |
| 1823 | Mary Post is born in Westbury, New York on February 20. |
| 1823 | Wayne County, New York is established. |
| 1825 | Antoinette Brown is born in Henrietta, New York on May 20. |
| 1827 | Mary Anthony is born in Battenville, New York on April 2. |
| 1829 | Sarah Read Adamson is born in Schuylkill Meeting, Pennsylvania on March 11. |
| 1831 | Cordelia Greene is born near Lyons, New York on July 5. |
| 1840 | William Channing Gannett is born in Boston, Massachusetts on March 13. |
| 1841 | Wyoming County, New York is established. |
| 1844 | Mary Seymour is born in Mt. Morris, New York. |
| 1847 | Antoinette Brown delivers a speech on woman’s rights at the Baptist church in Henrietta, New York. |
| 1848 | The first Woman’s Rights Convention is held in Seneca Falls & Rochester, New York. The Declaration of Sentiments based on the Declaration of Independence is adopted. |
| 1849 | Elizabeth Blackwell receives a medical degree from Geneva Medical College in Geneva, New York. |
| 1853 | Ella Hawley is born in Gainsville, New York on March 21. |
| 1853 | Woman’s Rights State Convention held in Rochester, New York. |
| 1853 | Antoinette Brown is ordained as the pastor of the First Congregational Church of Butler and Savannah, New York. She is the first woman minister of a recognized denomination in the United States. |
| 1853 | Cordelia Greene becomes the first student of the Women’s Medical College of Philadelphia, Pennsylvania to receive a medical degree. |
| 1854 | Mary Thorn Lewis is born in Altoona, Pennsylvania on February 27. |
| 1854 | Clara Barton becomes a copyist in the U.S. Patent Office in Washington, D.C. She is the first woman to hold an independent clerkship in the federal government. |
| 1855 | Fannie Barrier is born in Brockport, New York on February 12. |
| 1856 | Anne Miller is born in Peterboro, New York on March 4. |
| 1857 | Martha Matilda Harper is born in Canada. |
| 1858 | Delia C. Kenyon is born in County Line, New York on July 16. |
| 1860 | The state of New York grants married women rights over their children, rights to sue in court, and rights to retain their wages. |
| 1861 | Helen Barrett is born in Kingsville, Ohio on July 31. |
| 1862 | Emma Biddlecom is born in Macedon, New York on August 13. |
| 1863 | William Clough Bloss dies in Rochester, New York on April 18. |
| 1863 | Marion Craig is born in Churchville, New York on September 14 |
| 1863 | Susan B. Anthony and Elizabeth Cady Stanton convene the Woman’s National Loyal League. One goal of the group is to keep woman’s rights issues alive. |
| 1865 | Kate Gleason is born in Rochester, New York on November 25. |
| 1868 | Susan B. Anthony publishes The Revolution, a newspaper promoting woman’s rights. |
| 1869 | Elizabeth Cady Stanton and Susan B. Anthony break from the American Equal Rights Association to form the National Woman Suffrage Association (NWSA). It advocates for woman suffrage above all other issues. |
| 1872 | Fourteen Rochester, New York women challenge the federal constitution and vote for the President of the United States. Susan B. Anthony is arrested and tried. |
| 1873 | Rhoda DeGarmo dies. |
| 1878 | Agnes Slosson is born in Geneva, New York. |
| 1878 | National Woman Suffrage Association holds its convention in Rochester, New York on July 19 to celebrate the thirtieth anniversary of the Seneca Falls Convention. |
| 1878 | Amy Kirby Post is one of the Monroe County delegates to the National Woman Suffrage Association convention in Rochester, New York. |
| 1878 | Elizabeth Smith Miller is the Ontario County delegate to Rochester’s thirtieth anniversary celebration of the first woman’s rights convention, sponsored by the National Woman Suffrage Association. |
| 1881 | Clara Barton establishes the American Association of the Red Cross and the first local chapter of the Red Cross in Dansville, New York. |
| 1885 | Amy Kirby Post becomes one of the founding members of Rochester’s Women’s Political Club, later known as the Political Equality Club. |
| 1885 | Henry Selden dies. |
| 1889 | Amy Kirby Post dies in Rochester, New York on January 29. |
| 1890 | Ella Hawley Crossett attends the National American Woman Suffrage convention in Washington, D.C. as a national delegate. |
| 1891 | Ella Hawley Crossett organizes a convention in Warsaw, New York at which Reverend Anna Howard Shaw and Susan B. Anthony speak. |
| 1891 | The Wyoming County Suffrage Association and the Warsaw Political Equality Club are formed. Ella Hawley Crossett is named president of both groups. |
| 1893 | Helen Barrett Montgomery, Mary Lewis Gannett, and Susan B. Anthony form the Woman’s Educational and Industrial Union of Rochester (WEIU). Montgomery becomes its first president. |
| 1895 | Frederick Douglass dies in Washington, D.C. on February 20. |
| 1896 | Helen Barrett Montgomery serves as the president of the New York State Federation of Women’s Clubs. |
| 1897 | Elizabeth Smith Miller and her daughter, Anne Miller arrange for Geneva, NY to hold the annual convention of the New York State Woman Suffrage Association (NYSWSA). |
| 1897 | Anne Miller founds the Geneva Political Equality Club in Geneva, New York. |
| 1898 | Marion Potter, M.D. becomes the first woman doctor at Rochester City Hosptial. |
| 1899 | Abigail Norton Bush dies. |
| 1899 | Helen Barrett Montgomery is elected to the Rochester School Board, the first women ever elected to public office in Rochester, New York. |
| 1899 | Cecil B. Wiener and Helen Z.M. Rogers become the first two women to graduate from the Buffalo Law School, Buffalo, New York. |
| 1900 | University of Rochester, New York admits women. |
| 1900 | Susan B. Anthony retires as the president of the National American Woman’s Suffrage Association (NAWSA) and recommends Carrie Chapman Catt as her successor. |
| 1902 | Ella Hawley Crossett becomes president of the New York State Suffrage Association. |
| 1902 | Clara Barton is a speaker when women from 10 nations meet in Washington, D.C. to plan an international effort for suffrage. |
| 1902 | Elizabeth Cady Stanton dies in New York City on October 26. |
| 1904 | Clara Barton holds a reception at her home in Glen Echo, Maryland to honor Susan B. Anthony’s 84th birthday during the National American Woman’s Suffrage Association Convention. Hundreds of convention members attended and were treated, at their request, to a display of her many medals, decorations and other memorabilia. |
| 1905 | Cordelia Greene dies in Castile, New York on January 28. |
| 1906 | Susan B. Anthony dies in Rochester, New York on March 13. |
| 1907 | Mary S. Anthony dies in Rochester, New York on February 5. |
| 1909 | Sarah Read Adamson Dolley dies in Rochester, New York on December 27. |
| 1909 | Emmeline Pankhurst, the radical suffrage advocate from England, comes to speak before the Geneva Political Equality Club, in Geneva, New York. |
| 1909 | Clara Barton serves as an honorary Advisory Member of the National Committee on the Petition to Congress for woman suffrage. |
| 1910 | Elizabeth Blackwell dies in Hastings, England on May 31. |
| 1911 | Elizabeth Smith Miller dies in Geneva, New York on May 22. |
| 1912 | Anne Miller dies in Boston, Massachusetts on March 1. |
| 1912 | Clara Barton dies in Glen Echo, Maryland on April 12. |
| 1913 | Mary Seymour Howell dies in Mt. Morris, New York in February. |
| 1914 | Sarah Kirby Hallowell Willis dies. |
| 1919 | Rhoda Palmer dies in Geneva, New York on August 9. |
| 1920 | The Nineteenth Amendment — The Susan B. Anthony Amendment — giving women the right to vote is passed. |
| 1921 | Antoinette Brown Blackwell dies in Elizabeth, New Jersey on November 2. |
| 1923 | William Channing Gannett dies in Rochester, New York on December 15. |
| 1925 | Ella Hawley Crossett dies on December 2. |
| 1933 | Kate Gleason dies In Rochester, New York on January 9. |
| 1934 | Helen Barrett Montgomery dies in Summit, New Jersey on October 19. |
| 1943 | Marion Craig Potter dies in Rochester, New York on March 23. |
| 1944 | Fannie Barrier Williams dies in Brockport, New York on March 4. |
| 1945 | Delia C. Kenyon dies. |
| 1950 | Martha Matilda Harper dies on August 3. |
| 1951 | Emma Biddlecom Sweet dies on November 24. |
| 1952 | Mary Lewis Gannett dies in Rochester, New York on October 26. |