WASHINGTON (AP) — President Donald Trump has proven himself an unconventional leader time and time again in his first year in office. Here are some of the more memorable moments from the AP reporters tasked with covering this whirlwind presidency:

CAN I SHOW YOU MY BUTTON?

Midway through my April 23, 2017, interview with President Donald Trump, he reached over and pressed a red button on his desk in the Oval Office.

It didn't trigger a nuclear launch or send advisers scurrying into the room. Instead, a White House butler walked in with a single glass of Diet Coke on a silver tray for the commander in chief.

Trump was still relatively new in office and seemed to relish the trappings of his new digs. Moments before pressing the button, in the middle of an answer about his dealings with China, he said to me without skipping a beat: "Do you want a Coke or anything?"

Months later, Trump would tweet about another "button" in a taunt to the North Koreans, declaring, "my Button works!"

In reality, there's no such thing as a nuclear button for the president to launch a nuclear attack. But his Diet Coke button indeed works.

— By Julie Pace

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NO-GO ZONE

Before dawn in a windowless room in a Seoul hotel, White House Press Secretary Sarah Huckabee Sanders gathered a group of reporters sworn to secrecy to inform them of their next destination.

Sanders held up a slip of paper, saying this was how she was told to convey the sensitive information. It read: "DMZ."

Ever the showman, Trump had hoped to punctuate his war of words with Pyongyang with a surprise Nov. 7 visit to the Demilitarized Zone, the heavily fortified border between North and South Korea.

But he never made it.

His convoy of helicopters was just five minutes from the border when heavy fog forced them to turn back. Trump urged another try but, after nearly an hour of waiting, military pilots and the Secret Service deemed it unsafe to make another try.

In a rage, Trump told an aide he thought the failed flight made him look weak.

"He's pretty frustrated," Sanders, wearing pearls and a borrowed military jacket, told reporters later.

— By Jonathan Lemire

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GRIP-AND-GRIN AND BEAR IT

"Handshake?" members of the German media prodded at the start of Chancellor Angela Merkel's first Oval Office meeting with Trump in March.

The two leaders never locked hands during the photo op. It was an awkward tête-à-tête, one of multiple odd interactions between the new president and other world leaders in his first year.

There was Trump's white-knuckle grip and stare-down with French President Emmanuel Macron. Trump's mangled attempt at an interlocking handshake with world leaders in the Philippines. His gone-viral shove of Montenegro's leader at NATO headquarters.

Trump's highlight reel also includes a brief hand-holding moment with a baffled British Prime Minister Theresa May, a 19-second handshake/pat-down with Japan's Shinzo Abe, and multiple bear hugs with India's Narendra Modi.

Taken together, the encounters turned the tradition of staid grip-and-grins between world leaders on its head.

— By Ken Thomas

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TWO SCOOPS

Trump beckoned a trio of reporters into his private dining room with a wave.

Just off the Oval Office, the room featured a newly installed 60-inch television and a..read more at San Francisco Chronicle