The President and First Lady landed earlier in the day in preparation for the memorial service. Others in attendance were Gov. Jan Brewer, Homeland Security Secretary Janet Napolitano, Attorney General Eric Holder, Rep. Raul Grijalva and Sen. John McCain.
The memorial service entitled "Together We Thrive: Tucson and America"
started at 6 Pm, 8 PM EST.
The program included opening music and a Native American blessing followed by University of Arizona President Robert Shelton welcoming the crowd.
After the National Anthem the speakers took to the podium in this order:
UA President Shelton
UA student president Emily Fritze
Daniel Hernandez Jr. who many credit with helping save the life of Gabrielle Giffords
Arizona Gov. Jan Brewer
Homeland Security Secretary Janet Napolitano
Attorney General Eric Holder
Video made available by the White House