Obama campaigned for her husband's presidential bid throughout 2007 and 2008, delivering a keynote address at the 2008 Democratic National Convention. She has subsequently delivered speeches at the 2012, 2016, and 2020 conventions. As first lady, Obama served as a role model for women and worked as an advocate for poverty awareness, education, nutrition, physical activity, and healthy eating. She supported American designers and was considered a fashion icon. Obama was the first African-American woman to serve as first lady.
