For the big day, Huffington Post has made a one-stop shop of all the video - including live feeds - and information you need to watch Barack Obama become our nation's 44th President.
Check here throughout Tuesday for updates as history unfolds:
****UPDATE 1/20 3:46PM****
WATCH video of the inaugural parade:
****UPDATE 1/20 3:00PM****
During the tradition luncheon for the newly-sworn-in president, Sen. Ted Kennedy collapsed and had a seizure. Sen. Robert Byrd, overcome with emotion, was also taken from the hall. Read here for more information as it develops.
Watch the video of Obama at the luncheon:
Read the full text of President Obama's inauguration speech here.
HUFFPOST'S INAUGURAL LIVEBLOG:
WATCH OBAMA'S INAUGURAL ADDRESS:
Watch Yo-Yo Ma and Itzhak Perlman perform right before Obama is sworn in as the nation's 44th president.
The TechCrunch Guide To The Inauguration has a list of additional live feeds.
Or if you want to see a live feed from the big screen (and are able to procure a ticket) MSNBC will be airing the footage at various Starbucks and movie theater locations.
Here is a slideshow of the morning of Inauguration Day:
President Obama, about to share his first dance as president with the first lady.
Mary J Blige performs at the Neighborhood Inaugural Ball.
DL Hughley at the Neighborhood Inaugural Ball.
Maria Carrey also performed at the Neighborhood Inaugural Ball.
The Obamas walk down Pennsylvania Avenue as part of the inaugural parade
The new First Couple gets down and dances while watching the parade
Parade spectators on the roof of a building along Pennsylvania Avenue
Obama gives the Hawaiian "shaka" - "hang loose" gesture - during parade
Obama kisses daughter Malia while watching the parade
The Obamas, soon after the swearing-in ceremony, take a moment to appreciate President Lincoln's Bible used by the new president
The swearing-in of President Barack Obama
"Choose hope over fear"
Bill and Hillary Clinton sitting alongside George Bush Sr.
Aretha Franklin sings 'My Country 'Tis of Thee'
Earlier in the morning, the Bush greet the Obamas on the North Portico of the White House
Crowds fill the National Mall
Magic Johnson, San Francisco Mayor Gavin Newsom, California Arnold Schwarzenegger, and Sacramento Mayor Kevin Johnson stand on the inaugural stage
Director Steven Spielberg sits with wife Kate Capshaw
Elie Wiesel arrives
The Obamas bid farewell to the Bushes, who prepare to get on a helicopter en route back to Texas
For those of you who need help counting down the final hours until Barack Obama is sworn into office, grab this Obama Inauguration widget below.
View all Washington DC events at Eventful
Here's a fun video offering you 23 facts about the presidential inauguration. Some of them you likely know already (Obama being sworn in on Abraham Lincoln's bible), but some you won't:
Also don't forget to drop by the new administration's Citizen's Briefing Book to pose questions and suggestions for policy issues of your choice. Or, check out PolitiFact's "Obamameter" to track every promise Obama made during the campaign and transition.
For those in the area, here are current forecasts from the National Weather Service.
And, even if you're not in the area, Memelabs has a video contest for users to enter, answering the question: Where were you on this historic day? NPR also has another user content drive here at the "Inauguration Report". Or you can also check out CNN's 3D Photosynth for photos from people at the Inauguration.
Finally, here is a schedule of some official and unofficial activities surrounding the inauguration on Jan. 20:
TUESDAY, JAN. 20 (INAUGURATION DAY)
Gates to the Inaugural Ceremony open at 8 a.m. The inaugural festivities are scheduled to start at 10 a.m. on the West Front of the U.S. Capitol. They will include:
_ Musical selections of The United States Marine Band, followed by the San Francisco Boys Chorus and the San Francisco Girls Chorus.
_ Sen. Dianne Feinstein provides call to order and welcoming remarks.
_ Invocation by the Rev. Rick Warren.
_ Musical selection of Aretha Franklin.
_ Biden will be sworn into office by Supreme Court Justice John Paul Stevens.
_ Musical selection of John Williams, composer/arranger with Itzhak Perlman, (violin), Yo-Yo Ma (cello), Gabriela Montero (piano) and Anthony McGill (clarinet).
_ Obama will take the Oath of Office, using President Lincoln's Inaugural Bible, administered by Chief Justice John Roberts. Scheduled around noon.
_ Obama gives the inaugural address.
_ Poem by Elizabeth Alexander.
_ Benediction by Rev. Joseph E. Lowery.
_ The National Anthem by The United States Navy Band "Sea Chanters."
After Obama gives inaugural address, he will escort outgoing President George W. Bush to a departure ceremony before attending a luncheon in the Capitol's Statuary Hall.
The 56th Inaugural Parade will then make its way down Pennsylvania Avenue from the Capitol to the White House.
Later that day, the Presidential Inaugural Committee will host 10 official inaugural balls:
_ Neighborhood Inaugural Ball at the Washington Convention Center.
_ Obama Home States (Illinois and Hawaii) Inaugural Ball at the Washington Convention Center.
_ Biden Home States (Pennsylvania and Delaware) Inaugural Ball at the Washington Convention Center.
_ Midwest Inaugural Ball at the Washington Convention Center.
_ Mid-Atlantic Inaugural Ball at the Washington Convention Center.
_ Western Inaugural Ball at the Washington Convention Center.
_ Commander in Chief's Ball at the National Building Museum.
_ Southern Inaugural Ball at the National Guard Armory.
_ Eastern Inaugural Ball at Union Station.
_ Youth Inaugural Ball at the Washington Hilton.
Unofficial balls include:
_ Congressional Black Caucus Inaugural Ball at the Capitol Hilton.
_ Creative Coalition Inaugural Ball at the Harman Center for the Arts.
_ Recording Industry Association of America's ball for Feeding America.
_ BET's Inaugural Ball at the Mandarin Oriental Hotel.
_ Africa on the Potomac inaugural celebration at Crystal Gateway Marriott in Arlington, Va.
_ American Music Inaugural Ball at the Marriott Wardman Park Hotel.
_ Inaugural Purple Ball at the Fairmont Hotel.
_ Human Rights Campaign's Equality Ball at the Renaissance Mayflower Hotel.
_ Inaugural Peace Ball at the Smithsonian National Postal Museum.
_ Impact Film Fund ball.
WEDNESDAY, JAN. 21
_ The president, vice president and their families will participate in a prayer service at the Washington National Cathedral.