7:00 a.m. - Families and guests arrive at ground zero.
7:00 a.m. to Noon : "The Early Show" broadcasts live from ground zero.
8:00 a.m. – Bagpipers who've marched in overnight from all five New York City boroughs converge at ground zero.
8:45 a.m. – New York Mayor Michael Bloomberg introduces a moment of silence, to take place at 8:46, the exact moment the first plane struck the World Trade Center. President Bush marks the moment of silence at the White House.
8:49 a.m. – N.Y. Gov. George Pataki reads an excerpt from the Gettysburg address.
8:54 a.m. – Rudolph Giuliani reads the names of people killed or missing in the World Trade Center attack.
9:00 a.m. – Pentagon memorial ceremony begins, with readings by President Bush and Defense Secretary Donald Rumsfeld.
9:03 a.m. – New York ceremony pauses to observe the moment the second plane hit.
9:30 a.m. – Start of ceremony in Shanksville, Pa.
9:37 a.m. – A moment of silence in Washington to mark the time the Pentagon was hit.
9:59 a.m. – Observance of when the south tower fell.
10:00 a.m. – President Bush speaks at the Pentagon.
10:29 a.m. - Observance of the north tower's collapse.
10:30 a.m. – New Jersey Gov. James McGreevey reads from the Declaration of Independence. End of ceremonies in Shanksville and Washington.
11:00 a.m. – New York Stock Exchange opens to trading.
Noon – 6:30 p.m. - Continuous CBS News coverage from ground zero.
12:30 p.m. – President and Mrs. Bush visit the Shanksville crash site.
4:55 p.m. – The president lays a wreath at ground zero.
6:30 p.m. – A special edition of the "CBS Evening News."
7:00 p.m. - Mayor Bloomberg and various heads of state attend ceremony in Battery Park, where a temporary trade center memorial is located.
7:11 p.m. – Bloomberg reads from Franklin Delano Roosevelt's "Four Freedoms" speech.
7:13 p.m. – An eternal flame is lit by Bloomberg and a trade center family member.
7:27 p.m. – Battery Park ceremony ends with singing of "America the Beautiful."
7:30 p.m. – Dan Rather anchors a special broadcast from ground zero.
8:00 p.m. – CBS News' "60 Minutes II" airs an exclusive interview with President Bush.
9:00 p.m. - President Bush delivers a speech to the nation.
Immediately following the president's speech – CBS rebroadcasts the acclaimed documentary "9/11."