On October 31 , 2008 , the 44th president of the United States , Barack Obama held a rally .
On October 31 , 2008 , the 44th president of the United States , Barack Obama gave a speech in the park just four days before being elected president .
On October 31 , 2008 , the 44th president of the United States , Barack Obama held a rally and gave a speech in the park just four days before being elected president .