When was the American politician which  Catherine E. Pugh lost primaries to born 
Catherine E. Pugh:  She first ran for Baltimore City mayor in 2011 and lost the primary to Stephanie Rawlings-Blake. Stephanie Rawlings-Blake: Stephanie C. Rawlings-Blake (born March 17, 1970) is an American politician and attorney who served as the 49th Mayor of Baltimore from 2010 to 2016, the second woman to hold that office.
March 17, 1970