The northern Australian city of Darwin on Saturday marked the 80th anniversary of a Japanese air raid that killed hundreds during World War II.

The bombing of Darwin on Feb. 19, 1942, the first attack by Japanese forces on the Australian mainland, killed at least 250 people and destroyed 30 aircraft and nine ships.

"Eighty years ago, Australia and Japan faced off across a seemingly unbreachable divide," said Darwin's mayor Kon Vatskalis on the eve of the anniversary. "But time, good sense, and an improved appreciation of not just our differences but our similarities have healed those old wounds."

Australian Prime Minister Scott Morrison heads to lay flowers at a memorial ceremony in Darwin as the northern Australian city on Feb. 19, 2022 marked the 80th anniversary of a Japanese air raid that killed hundreds during World War II. (Kyodo)

Prime Minister Scott Morrison echoed the sentiment on Saturday, recalling the quiet moment of reconciliation in November 2018 when he laid a wreath at the memorial alongside former Japanese Prime Minister Shinzo Abe.

"That enemy that inflicted such violence on this city and this nation, on this day, has now become one of our most trusted and loyal friends," Morrison said. "Out of the suffering of war, we have turned to each other in a spirit of reconciliation and respect."

At 9:58 a.m., the sound of air raid sirens blared across the waterfront as members of the Australian Defense Force re-enacted the exact moment 188 Japanese aircraft flew over Darwin Harbor.

Cannons fired plumes of red smoke into the air, as army personnel simulated the Australian response to the Japanese air raid, returning fire using blanks while Royal Australian Airforce fighter aircraft flew by overhead.

Darwin's strategic location on Australia's northern edge, close to present-day Indonesia, along with a major military buildup since the mid-1930s made it a prime target for Japanese forces during the war.

The air attacks across northern Australia, centering on the Northern Territory, continued until November 1943, by which time the Japanese had raided Darwin at least 64 times.

Brian Winspear (L), a 101-year-old former flight lieutenant in the Royal Australian Air Force, is pictured on Feb. 19, 2022 after a ceremony in Darwin that marked the 80th anniversary of a Japanese air raid that killed hundreds during World War II. (Kyodo)

Brian Winspear, a 101-year-old former flight lieutenant in the Royal Australian Air Force, recalled watching from the bottom of a trench in Darwin as the raid began.

"You could see the sun glinting off the bombs. It was just like confetti coming down," Winspear told the Australian Broadcasting Corp.

He described the incoming aircraft as being so close that he could see the faces of the Japanese pilots as they flew overhead.

After laying a wreath at the memorial, Winspear raised his hands in the air in a jubilant fist pump, to the loud applause of those gathered to mark the occasion. Morrison and Japanese Ambassador to Australia Shingo Yamagami were among those who also offered flowers.

The sinking of the Japanese submarine I-124 about a month before the air raid was also commemorated on Friday with the unveiling of a new plaque at the existing memorial site overlooking Casuarina Beach, near the location of the submarine's resting place on the seafloor.

The plaque lists the names of all 80 crew who died when the submarine was sunk around 95 kilometers off the Darwin coast while trying to torpedo a U.S. Navy fleet oiler during the war. They remain entombed in the submarine.

"By doing so, we give these men their names, and thus their basic identities back," said Yamagami. The envoy told reporters after offering flowers at the new plaque that he looked back on the "footprints of postwar reconciliation and peace" between Japan and Australia.

"All that once divided us has long since been replaced with true friendship. There is only understanding between the Australian and Japanese people, an understanding that cannot be shaken," said Northern Territory Chief Minister Michael Gunner.

The plaque, a joint effort of the Embassy of Japan, the Northern Territory government and the Australian-Japanese Association of the Northern Territory, joins at the site an existing memorial plaque and commemorative Pongamia tree, a healing plant native to both Japan and Australia, planted to promote peace between the two countries.