Vasily Mikhailovsky was four years old when, in late September 1941, flyers appeared around German-occupied Kyiv, instructing "all Yids" to assemble at an appointed location on the edge of the city. He remembers the day well.

"It was wonderful weather," Vasily, who is one of three Babyn Yar survivors in Kyiv still living, told DW. "Sunny. A truly golden autumn day."

"There were a huge number of people walking," he remembered. "And they were carrying their entire households on these carts."

Vasily was the only one left in his immediate family. His mother had died shortly after he was born. His father was taken prisoner as a Red Army soldier and escaped captivity, only to be captured and shot when he returned home to Kyiv.

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So the caretaker of his apartment block told his nanny, Anastasiya Fomin, or Nadya, that she must "take that Jewish child to Babyn Yar."

Nadya – whom Vasily remembers as "not very attractive, but very, very kind" – followed instructions. The next morning, the two of them set out for the ravine, which was located about seven kilometers (four miles) to the northwest. They were joined by thousands of others.

"I was tired and my nanny set me on one of the carts," he said. "There were also other children on the cart, and there were bags and lots of children's toys. These interested me.

"I was very happy, because I thought it was a demonstration like on May Day or Revolution Day," he said. "And I said to Nadya, 'Nadya, buy me a balloon or a little flag.' But this wasn't a holiday."

Holocaust by bullets

Indeed, it was the furthest thing from a holiday. What was to transpire was to be the largest single mass shooting by Nazi German forces during World War II. Over the next two days, nearly 34,000 Jews were gunned down in Babyn Yar - which translates to "old woman's ravine."

Vasily Mikhailovsky, aged four, taken a few months before the massacre

As Vasily, Nadya and the rest drew closer to the ravine, German soldiers and locally recruited policemen - "Polizei" as they were called, using the German word - lined the sides of the road and forced them towards the killing area.

"No one held back," he said. "They beat people, shoved them with rifle butts and clubs, and drove them like cattle. The street couldn't hold so many people - they forced them to move faster and faster. And so we reached some sort of barrier."

A dog bit Nadya, Vasily said, and she was beaten from behind and fell down. He hit his head on the metal barrier and was covered in blood.

Nadya held out her passport to the policemen. "I'm Ukrainian, I'm Ukrainian," he remembers her saying.

"Someone from the guards picked her up by her collar and pushed her behind the cordon," Mikhailovsky said. "He pointed to a small gateway and said, 'Go and put the child over there.'"

As they sat to the side, they could hear what was happening to those who reached the end. "We heard cries and screams, but there were also planes that flew low and drowned out all those sounds," he said.

"And music was playing somewhere up ahead."

Watch video 06:38 Holocaust expert Timothy Snyder talks to DW

Coming to terms

For decades, what happened at Babyn Yar was a blank space in Ukraine's history. Soviet authorities first refused to recognize it, and then, when they finally erected a monument on the site - a towering bronze structure with figures contorted in agony - the victims were described simply as "Soviet citizens."

A more modest monument, off to the side, shaped like a Jewish menorah was set up by Jewish groups in the Soviet Union's last days. Then, after Ukraine gained independence, the government started to mark the event with official ceremonies, the largest taking place on the 65th and 70th anniversaries.

Now, however, for the 75th anniversary, Ukraine's leadership and international organizations are commemorating the shootings with a full-scale program, including conferences, film showings, concerts and historical exhibits. This will be capped off with a major ceremony on the actual day, which will be attended by German President Joachim Gauck.

The commemorative activities won't end with the anniversary. Jewish groups plan to build a major Holocaust museum near the site, and a Canadian organization, the Ukrainian Jewish Encounter, is sponsoring a competition to design a major memorial complex for the area.

But there are challenges - brought about by Babyn Yar and Ukraine's complex histories. Jews were not the only victims - Roma, Ukrainians, Russians, mentally and physically disabled people and others were murdered there over the course of the war.

Around 100,000 people were killed in Babyn Yar - two-thirds of them Jewish. Some observers fear that by emphasizing the mass grave's multi-ethnic character, Ukrainian officials risk diluting Babyn Yar's role as one of the Holocaust's main sites."

Equally, some the victims whom Ukrainian nationalist groups would like to commemorate are eliciting controversy. The Nazis executed members of the wartime Organization of Ukrainian Nationalists (OUN) at Babyn Yar. The OUN, however, was also allied with the Germans at the war's beginning and end, and are accused by prominent Western historians of participating in the Holocaust.

Attempts to include the OUN in the official ceremony have failed, however. And organizers say that the scale of the commemorations - as well as their educational scope - is unprecedented in Ukrainian history.

Mikhailovsky with his foster parents, Vasily and Berta

"The purpose is to use this landmark date to create as wide of a discussion of the Holocaust and racial hatred and its dangers," said Adrian Karatnycky, co-director of the Ukrainian Jewish Encounter. "It's to honor the dead, but also to educate the living."

Living next to the past

After they escaped, Nadya found Vasily an orphanage that was hiding a number of other Jewish children.

Then at the war's end, he was placed with a family. Vasily was born Caesar Katz, but he adopted his new father's name. During the war, his father saved two Jewish women, his wife and mother-in-law. Vasily proudly displays two medals which Yad Vashem, Israel's official memorial to Holocaust victims, awarded his father and Nadya for saving Jews - "The Righteous Among the Nations."

The family apartment, where he still lives, is just 100 meters from the street that he, Nadya and the other Jewish Kyivians followed on their way to Babyn Yar.

Vasily doesn't think about this though. He's more occupied by the present and the conflict against Russian-supported insurgents in eastern Ukraine - especially the children who are being affected as he was 75 years ago.

"There's a war going on," he said. "How do those poor children deal with this? Especially those who have lost their parents."

"Being an orphan is a terrible thing," he said. "You can't imagine what it's like."