Oprah's Charity History: 25 Years Of Giving Back

Oprah Winfrey announced today that 2011 would see the end of her daily talk show, arguably the most influential and popular talk show in television history. Today, HuffPost Impact takes a look at Oprah's history through her philanthropic efforts.

From education in Africa to reconstruction in New Orleans, Oprah has raised awareness about major world issues and spent millions of dollars of her own money to promote these causes.

Scroll through some of her most memorable moments of giving (sorry, Pontiacs and KFC don't count...)

Oprah's Gift of Giving: Her Most Charitable Moments