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Barack Obama shattered more than 200 years of history Tuesday night by winning election as the first African-American president in the history of the United States, according to projections by NBC News.

- Democrats take four GOP Senate seats so far

Republicans see four Senate positions slip away with more in play

- Why McCain fell short in Pennsylvania

Electoral vote math now appears very daunting for GOP candidate

- Obama hometown giddy about prospects

Thousands gather at park where Democrat is expected to make speech

- Voters weather hours of delays

Some snags lead to lawsuits, but most people take glitches in stride

- Democrats unseat GOP House incumbents

Rep. John P. Murtha, D-Pa., to keep seat after tight race, NBC projects

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