WASHINGTON - People gathered today to celebrate the 50th anniversary of Martin Luther King Jr.'s "I Have a Dream" speech.

Dignitaries from all races and creeds spoke at the Lincoln Memorial in Washington, D.C., including Oprah Winfrey, Caroline Kennedy, former President Bill Clinton and President Barack Obama.

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An estimated 250,000 people attended the March on Washington half a century ago.

Seniors at the Kittay House in the Bronx say it feels like just yesterday that King gave the historic speech. Residents say his powerful words had a great impact on them.