The seneca falls convention marked the beginning of the

womens rights

Explanation:

woman's rights convention–the first ever held in the United States–convenes with almost 200 women in attendance.

The convention was organized by Lucretia Mott and Elizabeth Cady Stanton, two abolitionists who met at the 1840 World Anti-Slavery Convention in London.

  rrf reerw eref erew er   rwerwe ewer w e