ISMAILIA, Egypt (AP) — In a defining moment of his young presidency, Egypt’s Abdel-Fattah el-Sissi presided Thursday over the unveiling of a major extension of the Suez Canal that he hailed as a historic feat needed to revive the country’s ailing economy after years of unrest.

Upbeat and clearly relishing the pomp-filled occasion, el-Sissi nevertheless conceded that the $8.5 billion project will not bring a quick economic windfall to a country roiled by violence and unrest since 2011. Its completion, he said, was but the first of a 1,000-step journey Egyptians must take toward economic recovery.

“Egyptians have made a huge effort so as to give humanity this gift for development and construction,” el-Sissi said, his words interrupted at times by the horns of container ships using the new extension — a sound that brought a smile to his face and cheers from those in attendance

The magnitude of the project, its completion on schedule 13 months into his presidency and the large high-level foreign representation at its unveiling were likely to bolster el-Sissi’s already high standing among many Egyptians — pushing aside, at least for a time, his reputation as an authoritarian leader with little regard for human rights or liberties.

Playing into his hands is a clear shift by many Egyptians away from the need for democratic freedoms and toward economic survival as a top priority — not surprising in a country where nearly half the population is below or hovering just above the poverty line.

Wearing his ceremonial military uniform and trademark dark sunglasses on a sweltering August day, el-Sissi flew to the site aboard a military helicopter and immediately boarded the same monarchy-era yacht that dignitaries sailed on during the canal’s inauguration in 1869.

The vessel, bedecked in Egyptian and foreign flags, was flanked by navy warships as helicopters, fighter jets and military transport aircraft screamed overhead. A triumphant el-Sissi stood on the upper deck, waving to well-wishers and folklore dance troupes performing on shore.

At one point, a young boy in military uniform and holding Egypt’s red, black and white flag joined him on deck as they both waved the flag.

But Thursday’s festivities were partially overshadowed by an Islamic State group affiliate’s threat to kill a Croatian hostage kidnapped in Cairo last month — a grim reminder of the threat posed by Islamic militants battling the Egyptian government.

Tight security was in place at an elaborate ceremony held in the canal city of Ismailia and attended by foreign dignitaries, including French President Francois Hollande, King Abdullah of Jordan and Bahrain’s King Hamad bin Isa Al Khalifa.

Palestinian President Mahmoud Abbas, Kuwait’s Emir Sheik Sabah Al Ahmed Al Sabah and Greek Prime Minister Alexis Tsipras also attended, as well as Yemen’s exiled President Abed Rabbo Mansour Hadi and Sudanese President Omar al-Bashir.

The canal extension has been trumpeted as a historic achievement by pro-government media and has revived the nationalistic personality cult built around the 60-year-old el-Sissi, who as army chief led the overthrow of an Islamist president in 2013 and was elected to office last year in a landslide vote.

Egyptian flags adorned streets across Egypt, along with banners declaring support for el-Sissi and hailing his latest achievement. Patriotic songs, some written especially for the occasion, blared from TV and radio stations on Thursday, declared a national holiday by the government.

Banks and most businesses were closed and authorities, in sharp contrast to the government’s zero tolerance for political demonstrations, allowed people to gather on streets and squares to celebrate the occasion.

The new Suez Canal extension involved digging and dredging along 45 miles (72 kilometers) of the 120-mile canal, making a parallel waterway at its middle that will facilitate two-way traffic. With a depth of 79 feet (24 meters), the canal now allows the simultaneous passage of ships with up to a 66-foot draught.

The project was initially estimated to take three years, but el-Sissi ordered it completed in one, something the pro-government media hailed as evidence of the president’s resolve and seriousness.

The government says the project, funded entirely by Egyptian investors, will more than double the canal’s annual revenue to $13.2 billion by 2023, injecting much-needed foreign currency into an economy that has struggled to recover from the 2011 uprising that toppled President Hosni Mubarak.

Economists and shippers, however, have questioned the value of the project, saying the increased traffic and revenues the government is hoping for would require major growth in global trade, which seems unlikely.

On Thursday, el-Sissi appeared to acknowledge that the project would not yield an immediate windfall, saying it was also meant to reassure his countrymen and the world that Egyptians “are still capable” of great accomplishments.

The man-made waterway linking the Red Sea to the Mediterranean, which was inaugurated in 1869, has long been a symbol of Egyptian national pride. Pro-government media have compared el-Sissi to former President Gamal Abdel Nasser, a charismatic leader whose nationalization of the canal in 1956 was seen as a defiant break with the country’s colonial past.

“Egypt makes history,” read the banner headline of Thursday’s pro-government daily Al-Watan. “Rejoice, it is worth it!” proclaimed the front page of another daily, Al-Maqal.

Thursday’s inauguration came a day after an Islamic State group affiliate calling itself the Sinai Province of the Islamic State released a video threatening to kill 30-year-old Croatian Tomislav Salopek in 48 hours if authorities do not release “Muslim women” held in prison, a reference to female Islamists detained in the government’s crackdown on former President Mohammed Morsi’s supporters.

El-Sissi made no mention of the kidnapping, but denounced the Islamic militants battling his government as “evil people” seeking to “hurt Egypt and the Egyptians.”

“Without a doubt, we will triumph over them,” he added.

Egypt has seen a surge in attacks by Islamic militants since Morsi’s ouster, in both the restive north of the Sinai Peninsula and the mainland, focusing primarily on security forces.

Militants have also targeted foreign interests, including the Italian Consulate in Cairo, which was hit with a car bomb last month. That came just days after another bomb killed Prosecutor General Hisham Barakat in an upscale Cairo neighborhood.

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Hendawi reported from Cairo.