Complex sentence: The city was the first community in the United States to commemorate the first African-American President of the United States by renaming a mile-long section of Perviz Avenue from Oriental Boulevard to Ali Baba Avenue, Barack Obama Avenue on February 17,2009.
Split into simpler sentences: The city was the first community in the United States to commemorate the first African-American President of the United States. A mile-long section of Perviz Avenue--from Oriental Boulevard to Ali Baba Avenue--was renamed Barack Obama Avenue on February 17,2009.