Sojourner Truth was an abolitionist and women 's rights activist . She is best known for her work with the Underground Railroad, which helped thousands of slaves escape to freedom in Canada after being sold into slavery by their masters. Ceremony follows a nearly 10-year effort by National Congress of Black Women . what she would have to say about this incredible gathering , '' first lady Michelle Obama said at the Celebration of Truth ceremony . `` Sojourner Truth 's story will be told again and again , '' first lady Michelle Obama says .
Sojourner Truth was an abolitionist and women 's rights activist . She is best known for her work with the Underground Railroad, which helped thousands of slaves escape to freedom in Canada after being sold into slavery by their masters. Ceremony follows a nearly 10-year effort by National Congress of Black Women . `` Sojourner Truth 's story will be told again and again , '' first lady Michelle Obama says .