to believe again in a future filled with hope. president hosni mubarak is gone after 30 years of control, toppled in just 18 days by protesters armed with determination and faith in freedom. this is how change looks in 2011. and at the moment, the protesters learned they had won this is how it sounded. there were fireworks to light up the sky, and an exuberant frenzy on twitter. millions of street tweets flying. we pulled some of them for you. "i have never lived a better moment in my life." "from now on, we will make our future," says another. and one word, "freedom." with five exclamation points there. and our team is ready in egypt and here at home. we begin with terry moran who was right there in the middle of it all day. terry? >> reporter: diane, tonight,

cairo is just delirious. the people of egypt are intoxicated with freedom. their struggle to change their government, through peaceful means, by standing up in dignity and determination has ended in absolute triumph. they did it. every one of them. they did it. 30 years of one-man rule. 18 days of sometimes bloody protests. and a genuine people's movement that would not be denied culminated in this. vice president omar suleiman, hosni mubarak's long-time collaborator and the man he chose to inherit his powers just yesterday, announced that the era of mubarak was over. "president hosni mubarak has decided to step down as

president of the republic," he said. and he concluded, "may god guide us." government power is now in the hands of the nation's military, headed by this field marshall. but the real power is here. today, that power flowed out of tahrir square and down the avenues of cairo in a long march, 13 miles to the presidential palace. we are on the road to the president palace. we are still 30 minutes by foot to the palace and yet this road has just been a river of people stretching miles behind me and miles in front. mubarak had already left cairo, but that wasn't enough. at the palace, soldiers slowly turned their tanks away from the crowd. and from the other side of the wire, joined the spirit of the moment, waving the egyptian flag. then, the announcement and victory. the news hit this crowd like an enormous wave.

in an instant, there was ecstasy. and for wael ghonim, the google executive who played such a huge role here, a dream come true. but this was about all egyptians. they have done it themselves. >> before that revolution, i was ashamed to hold my egyptian passport anywhere. now, i'll be proud to hold it anywhere in this whole world. i am proud to be an egyptian. i am egyptian. >> reporter: for all the pride and joy tonight, the question, of course, is, what comes next? the military is in control. the generals are running things. they have promised to carry out reforms. they're the reforms that president mubarak and his vice president originally discussed. whether that's enough for the people here remains to be seen. diane? >> yes, there is caution in the days ahead, but thank you, terry. and as we just heard, proud to be an egyptian there in tahrir square.

and, we want to show you an image that caught our eye today, because the view from space has been focused on this particular square, take a look, earlier this year. and then, there it is, from way up in space. for 180 miles up, the sea of humanity. and, every person in that crowd has a story, a reason for being there, for celebrating tonight. and jim sciutto has also been in that square. jim? >> reporter: diane, tonight, the mood in the square is electric. it's invigorating and hasn't faded one bit since they heard the news. there is no end in sight tonight to the celebration here or to this movement. this is the very instant when the exhilarating news reached the square. soldiers, on the balcony, signaling down to the crowd that the president was gone. we were speaking to mohammed, who, at 30, had lived every day of his life under mubarak until

this moment. >> gone. he's gone. >> reporter: tell me how you're feeling right now. >> it's a great day in egypt. >> we did it in 18 days. it's an amazing thing. just 18 days and he's gone. >> reporter: tahrir square, liberation square, became celebration square. fireworks flew. tanks became dance floors. children cheered. old men cried tears of joy. >> but we are absolutely elated. egypt is for the egyptians. >> for the whole world, power to the people. power to the people. i'm speechless. >> reporter: the square is full of energy tonight like it's never been. and they say they're going to keep this energy up, they're going to stay here, because the square is their insurance policy that the military keeps its promise to lead power. tonight, for the moment, soldiers and civilians stood hand-in-hand. and at the epicenter of it all, egyptians could dream as they never have before.

small dreams like mohamed's who brought his son. >> now i will vote for the first time in my life. i'm 42 years old. i never believe in that before. and now i will vote. i will vote and go to vote every time after that. >> reporter: and bigger ones. a dream of being president. >> anyone have the ability to dream to be the president. why not? >> reporter: including you. >> including me. and i hope so. >> reporter: tonight, egypt is the land of the possible. a place where frustration ruled and though they have so much more to accomplish, what they've accomplished in just these past 18 days is giving them, diane, unprecedented confidence. >> such a scene around jim. getting to vote at 42 for the first time. christiane amanpour is here, she led our coverage during that turmoil a week ago. in a personal sense, you and i have been to the middle east for decades. what are you thinking tonight? >> reporter: well, who would have thought this? and everybody asked, when will this moment come? and as we listened to them literally screaming their joy, i

called it a primal scream last week, and it is that. they have been repressed in their voice for so many decades and now it is ringing free. >> we don't usually think of a military takeover as an encouraging sign. what's going to happen next? >> reporter: well, i think that's crucial. have they traded one military-backed regime for a military regime? key to the future is whether the military lifts the emergency law immediately and does this reform and brings in a lot of opposition voices for the future. >> we know that other countries in the middle east, of course, are watching every move in egypt. which countries are you watching tonight? >> reporter: we've heard about the neighborhooding countries, jordan, lebanon, syria, there have been demonstrations already today in support of what happened in egypt in jordan, for instance, and also in lebanon, and, the ruler of jordan has already changed his government because of protests there. in yemen, the ruler has said he will not stand again, nor will his son. so, movement is happening right now. >> it's happening and it remains

to be seen how far this fuse travels throughout the middle east. well, it was great to be reporting with you today, christiane amanpour. and we have a crucial question, of course, tonight. what does this mean for the security and safety of america? for the fight against terrorism? for the price we pay at the gas pump? jake tapper is at the white house tonight and of course he has been covering it all day, as well. jake? >> reporter: good evening, diane. as you know, former president mubarak was a close ally of the united states, and there are very few obama administration officials that i've been able to find who are confident the next government will be as supportive, especially on that crucial issue of counter-terrorism. >> reporter: today, the president hoped egypt would be a beacon, providing a contrast to terrorism. >> egypt is the moral force of nonviolence. not terrorism. not mindless killing. but nonviolence. moral force.

that bent the arc of history toward justice once more. >> reporter: but major questions remain about future counter-terrorism help from egypt. will egypt continue to share the information it gleans from its wide range of intelligence sources throughout the arab and muslim words? will terrorist groups be able to take root in the country? something the mubarak regime was able to beat back, often through repressive means. >> egypt has been a partner going after al qaeda. all of these things are at potentially greater risk if al qaeda can go to egypt and provide that as a platform to spread throughout the region. >> reporter: egypt has been a tremendous ally to the united states, according to the government, on the issue of counter-terrorism. where are you concerned that there might not be as much support in the next government, whoever it is? >> the important relationships that we have at different levels in our government with their government, i think the

president was assured continued. >> reporter: and what about economic concerns? in addition to refining massive amounts of oil, egypt is a critical transit point. more than 1 million barrels of oil a day go through the sumed pipeline. for the suez canal, nearly 2 million barrels. if the next egyptian government is not friendly to our economic interests and closes access to those canals, it would add 6,000 miles of rerouting. and a minimum of ten cents per gallon more of pain at the pump. >> any disruption could bring much higher oil prices. >> reporter: and diane, a key factor to remember is the incredibly close alliance between the pentagon and the egyptian military. that's where most of our aide dollars go, to the egyptian military, and the military still in control there and still a tremendous source of nationalistic pride for the egyptian people. diane? >> all right, jake. and you heard the president say today that the wheels of history have turned at a blinding pace across egypt these

past 18 days, the days that brought down a regime 30 years strong. david muir tonight has the anatomy of this revolution. >> reporter: it was 18 days ago, and our first report from tahrir square. it was impossible to predict how the dom knows of democracy would fall. protesters fueled by what they saw in tunisia, convinced in egypt they could oust their president of 30 years. >> thousands of protesters here say they won't go home until their demands are met. >> reporter: day two, and police crack down. using tear gas and force. >> just got tear gassed. they're shooting indiscriminately at anybody who is in the streets. >> reporter: an effort to choke their anger and their demands. it would not work. with the ruling party headquarters in flames, president mubarak, for the first time, appears. declaring he was not stepping down. but the people here were just beginning. >> this is real. this is real. i changed my mind.

i did not believe that this was going to happen ever, ever. i just -- i can't believe myself. >> reporter: the embattled president, for the first time, names a vice president. the army moves in, greeted as heroes. protester s writing on the tank "down with mubarak." eight days in, the president starts to cave. saying he won't run in september. it was not enough. in the streets, growing chaos. as we travel with a young man from texas just trying to find his grandmother. we find her. a hug inside. outside, the storm was brewing. on day nine, that stunning sight. the attack on the square. thousands of pro-mubarak demonstrators taking on the protesters. the horses, camels, men charging the crowd with whips. and pro-mubarak thugs attacking the press. >> reporter: you hate us? >> yes, i hate you. and i hate you. >> reporter: why do you hate us? >> reporter: and from across the city, that young man from texas sent us this. an image, his eyes black and blue. attacked in tahrir square. but the protesters would survive the attacks.

and on the 11th day, a sense of victory, even from the youngest of faces. what do you want to achieve? >> i want to be a doctor. >> reporter: you want to be a doctor? >> yes, i want to be a doctor. >> i want to be a scientist. >> reporter: a what? >> a scientist. >> reporter: a scientist. >> yes. >> engineer. computer engineer. >> reporter: computer engineer. the three of you may save the world. >> yes. we want that. >> reporter: but then, last night, even with the swelling crowds all week long, president mubarak, who had survived six assassination attempts, had one more surprise. expecting him to step down, he told egypt he was not doing so. there were cries of anger in the streets. they were cries that would finally be heard, less than 24 hours later. >> it is a revolutionary moment. incredible. >> reporter: president mubarak was stepping down. and i can tell you, diane, after having stood in that square as the camels and the horses raced in, this outcome, unthinkable just a few days ago. >> so true.

thank you, david. and we should note for all of you, our team will be reporting tonight for a special one-hour edition of "nightline," revolution day. so, stay tuned for that tonight. and still ahead on "world news," how much money does president mubarak have stashed overseas? billions? brian ross takes us inside the luxury around him. and, in other news today, a powerful new weapon in the fight against breast cancer. ♪ i was diagnosed with copd. i could not take a deep breath i noticed i was having trouble. climbing the stairs, working in the garden, painting. my doctor suggested spiriva right then. announcer: spiriva is the only once-daily inhaled maintenance treatment for copd, which includes chronic bronchitis and emphysema. i love what it does. it opens up the airways. announcer: spiriva does not replace fast-acting inhalers for sudden symptoms.

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billion stashed in foreign bank accounts. and within hours of his resignation today, the swiss moved to freeze those accounts, along with the accounts of mubarak's cronies. rarely seen government photos give a glimpse of mubarak's life of splendor. at the presidential palace in cairo. at his estate in the red sea resort town of sharm el sheikh. plus a multi-million dollar townhouse in london in his son's name. there was never anything humble about the mubarak family. >> they do live like royalty. and i think that's fairly evident from the manner in which they carry themselves. >> reporter: documents show the u.s. government helped, with some $335 million of taxpayer money for nine gulfstream luxury jets for the egyptian presidential fleet, showing up on the websites of aviation buffs around the world. >> they're out of touch with the population that is, literally,

the majority of which live under the international poverty line of $2 a day. >> reporter: allegations about mubarak lining his own pockets began when he was still in the army under president anwar sadat. when a close aide was convicted of taking a cut from u.s. military aid contracts. as president, mubarak made sure his son gamal was the man to see for any companies that sought to do business in egypt. >> they were partners on almost every major business franchise, partners with multi-nationals doing business in egypt and you can do the math to imagine how much money they accumulated. >> reporter: u.s. and british authorities would not comment today on what action they might take against assets mubarak may have in their countries. but a group of egyptian lawyers and a former deputy foreign minister have already demanded mubarak and his family be put on trial in egypt for steaming state assets, diane. >> again, you're saying billions. >> reporter: billions, one to five is the estimate for the family.

>> a lot of unpredictable events to come. thank you, brian ross. and coming up, in other news, a new kind of mammogram. [] [ people screaming ] [ tires screech ] ♪ [ tires screech ] ♪ [ man screams ] [ man on radio ] l.a., the end is near. ♪ [ male announcer ] without all-wheel drive, it's the end of the world. with dodge all-wheel drive, it's just snow. ♪ it's your fault. naturally blame the mucus. [ mucus ] try new advil congestion relief. it treats the real problem. reducing swelling due to nasal inmation. new advil congestion relief. imagine a day when we can eat what we want and sleep soundly through the night. prevacid®24hr prevents the acid that causes frequent heartburn all day, all night.

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better technology spotting what happens. tonight, word of yet another gas explosion in a quiet neighborhood. last night, an explosion in eastern ohio, where people 25 miles away heard the blast of a gas pipeline. no one was hurt there. but we did tell you yesterday how five people died when a huge natural gas explosion leveled a row of houses in allentown, pennsylvania. and today, the fda approved a device that generates 3d mammographies. this is what the current technology, 2d, looks like. and this is the 3d technology. doctors say it's 7% more accurate, but there is a catch. it has twice the radiation. coming up, at the heart of this revolution, one man selling fruit on the street to feed his family. his anguish changed the world.

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to help me decide what's right for me. people with answers at td ameritrade. get up to $500 when you open an account. >>d fina and finally tonight, the president said today, there is a moral force in nonviolence that often cannot be stopped. and in the middle of these sweeping events of the past few weeks, it's worth remembering

again that they began with a man in a country far away, who had hopes so much like our own. sometimes the anguish of one man can light a fuse that starts a revolution. a month and a half ago in tunisia, mohamed b hahamed bazi, educated, but unable to find work to feed his family, was receiving fruit on the street when he was harassed by petty police. in despair, he set himself on fire, lighting a flame of outrage that would topple the tunisian government and spread to tahrir square in cairo. and yesterday morning, in that square in cairo, when nothing was certain, a rainbow appeared across the sky. one person tweeted, "i shed a tear seeing the rainbow. there is hope." and tonight, the world is watching in wonder at this new face of change 2011.

taking its place in that gallery of hope and human possibility. from the fall of the berlin wall 22 years ago to nelson mandela's walk to freedom. to gandhi's belief there is no weapon the equal of nonviolence. and martin luther king and his quest for equality. there is a point we heard chanted in that place called liberation square. it goes, "if one day a people desire to live, then fate will answer their call. and their night will then begin to fade and their chains break and fall." and david muir will be here tomorrow night, christiane amanpour onwo tonight, regime change in egypt. the untold story of how an executive at google landed a

leading role in the egyptian revolution. >> a grant to rehire 80 laid off firefighters in san jose. can the city afford to accept this wind fall? >> also, the i team looks into accusations of corruption and influence peddling over a san francisco parking garage contract. >> and budget cuts trigger a force out at home for cal baseball. a major fund raising drive to save sports takes a bad hop. >> jipt is free. and there are fire works going off on the streets of cairo tonight. after 18 days of pro-democracy demonstrations president mubarak relinquished power to the military. >> the people have spoken. their voices have been heard. and egypt will never be the same. for egyptians that made it clear that nothing less than democracy will carry the day. >> here is what is taking place in san francisco right

now. a few dozen have joined the antiwar group answer, staging a flag raiding demonstration, you're looking at a live picture right now. >> in egypt one of the main organizers says facebook brought down the regime and it's a 30-year-old google executive getting credit for that. mark matthews is here with the untold story behind his involvement in this story. >> he became a celebrity in this revolution google maintained that he went to egypt on his own. we know why. it wasn't to start a revolution. it's closer to home. no further away than silicon valley. as tens of thousands of egyptians celebrated in tahrir square, one of the central figures told cnn egypt is on the move. >> i'm telling you egypt is going to be a democratic state. you'll be impressed how fast