Answer:
What is the historical significance of the 2008 presidential election?
Obama became the first African American to be elected to the presidency, as well as being only the third sitting United States senator elected president, joining Warren G. Harding and John F. Kennedy.
What is the historical significance of the 2000 presidential election?
It was the fourth of five American presidential elections, and the first since 1888, in which the winning candidate lost the popular vote, and is considered one of the closest U.S. presidential elections, with long-standing controversy about the result.