Timeline: President Obama's presidency

A look back through President Barack Obama's presidency as the 44th President of the United States of America.

Obama allows federal funding for embryonic research

Credit: AP, 2009

March 9, 2009

Obama allows federal funding for embryonic research

President Barack Obama signed an executive order to permit federal funding for human embryonic stem cell research. In this photo, Obama speaks during a Democratic National Committee event at the Broadway Theatre.

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