Exactly 50 years after Martin Luther King Jr. delivered his iconic "I Have a Dream" speech, President Barack Obama spoke from the Lincoln Memorial steps to honor the half-century anniversary. King's family, including his precious 5-year-old granddaughter, Yolanda, were on hand as bells rang at 3 p.m. to mark  the historical moment. In his speech, Obama reflected on the civil rights movement, progress, and where America stands. "To dismiss the magnitude of this progress, to suggest as some sometimes do that little has changed, that dishonors the courage and the sacrifice of those who paid the price to march in those years," he said. Recalling the influence and victories of MLK, Obama added: "We rightly and best remember Dr. King's soaring oratory that day, how he gave mighty voice to the quiet hopes of millions, how he offered a salvation path for oppressed and oppressors alike. His words belong to the ages, possessing a power and prophecy unmatched in our time."
The president was joined by First Lady Michelle Obama, who looked stunning in her floral Tracy Reese  dress. Thousands of people have gathered in Washington DC  for today's Let Freedom Ring Commemoration and Call to Action event, including famous faces like Jamie Foxx  and Forest Whitaker . Along with Obama's remarks, big names like former President Bill Clinton and Oprah Winfrey  also spoke to celebrate the special anniversary.
President Obama and First Lady Michelle arrived at the Lincoln Memorial for the anniversary event.
President Obama spoke with MLK's adorable 5-year-old granddaughter, Yolanda.
President Obama and Yolanda King shared a sweet moment.