Historic day.

Via AOL live updates:

Update at 1:35 p.m. ET: A statement on Egypt by President Obama was originally scheduled for 1:30 p.m. ET but has been delayed until later today. The White House did not indicate when it will be delivered.

Update at 1:32 p.m. ET: The Supreme Council of the Armed Forces, which is now leading the country, says in a statement that it is studying the way forward, but emphasizes that “there is no alternative but legitimacy acceptable to the people.”

The statement, read on Egyptian state TV, also praises former President Hosni Mubarak for his decision to step down and “for what he has delivered in his career in times of war and peace.”

Update at 12:41 p.m. ET: Abdel-Rahman Samir, one of the youth organizers of the protests that forced President Mubarak to resign, says the movement will now open negotiations with the military over democratic reform — but says protests will continue to ensure change is carried out.

“We still don’t have any guarantees yet — if we end the whole situation now it’s like we haven’t done anything,” he says, the Associated Press reports. “So we need to keep sitting in Tahrir (Square) until we get all our demands.”

Update at 12:17 p.m. ET: Israel’s UN ambassador says “we hope Democracy will prevail and not another Islamic fundamentalist state.”

Update at 11:34 a.m. ET: Al-Arabiya TV reports that the Army will suspend Parliament and sack the cabinet; The head of the constitutional court will lead along with the military council, it reports.

Update at 11:34 a.m. ET: Here is the full statement that a grim-looking Vice President Omar Suleiman delivered on Egypt state TV announcing President Mubarak’s resignation:

In these grave circumstances that the country is passing through, President Hosni Mubarak has decided to leave his position as president of the republic. He has mandated the Armed Forces Supreme Council to run the state. God is our protector and succor.

Update at 11:30 a.m. ET: The White House says President Obama will make a statement on the Egyptian developments at 1:30 p.m. ET.

Update at 11:27 a.m. ET: Al-Jazeera correspondent Sherine Tadros, reporting from Tahrir Square, reports that a number of demonstrators have fainted amid the jubilation and been helped out of the area.

Update at 11:22 a.m. ET: MSNBC reports that President Obama was notified of Mubarak’s resignation during an Oval Office meeting. He then watched the TV coverage for several minutes in an outer office.

Update at 11:08 a.m. ET: Hundreds of thousands of demonstrators erupted in jubilation in Tahrir Square as vice president Omar Suleiman announces that President Mubarak has resigned and called on the army to “run the affairs of the country.”

Update at 11:05 a.m. ET: Egyptian President Hosni Mubarak has resigne.d Vice President Omar Suleiman said in a brief televised statement. His statement in full: “Hosni Mubarak has waived the office of presidency and told the army to run the affairs of the country. “