For Sylvia Mendez, a lifelong quest for equality began when she was just eight years old.

WHITEHOUSE: 2010 Presidential Medal of Freedom Ceremony

"Slowly but surely lots of crumbs (add) up to a cake, " she said, on Twitter, of how the announcement was a milestone in women's quest for equality.

CNN: STORY HIGHLIGHTS

We are proud to lead by example, but the quest for human equality and dignity is not simply an American challenge.

WHITEHOUSE: Ambassador Susan Rice on International Day against Homophobia and Transphobia | The White House