Impeached for abuse of power, President Donald Trump's acquittal by the Senate is just the latest escape for the real estate tycoon turned politician who has repeatedly defied the odds.

The following are some of the events that could have torpedoed his political fortunes:

- 'Grab 'em' -

On October 7, 2016, one month before the presidential election, a decade-old recording is released on which Trump is heard talking about women in extremely crude terms.

The now infamous "Access Hollywood" tape features Trump -- then the billionaire host of the hit reality show "The Apprentice" -- boasting that his celebrity gave him license to grope women with impunity.

"When you're a star, they let you do it," he said. "You can do anything. Grab 'em by the pussy. You can do anything."

As prominent Republicans voiced their disgust, the scandal appeared set to derail Trump's White House bid -- as pundits widely predicted it would cost him the women's vote.

They were proven wrong. Trump defeated Democrat Hillary Clinton to win the presidency the following month, ultimately garnering 52 percent support among white women voters. 

At least 17 women have accused Trump of sexual harassment or sexual assault -- accusations the president has denied. 

- Charlottesville -

On August 12, 2017, white supremacist, neo-Nazi and anti-Semitic groups -- emboldened by Trump's election on an anti-immigration platform -- gathered in Charlottesville, Virginia for a rally.

A year into Trump's presidency, in January 2018, a former porn star known as Stormy Daniels -- real name Stephanie Clifford -- came forward to allege she had a tryst with Trump a decade earlier, and that he paid her to keep quiet.

Trump's longtime lawyer Michael Cohen later admitted paying Clifford $130,000 in hush money just weeks before the 2016 election. 

But while Cohen has since been jailed for violating campaign finance laws, Trump escaped largely unscathed by the lurid revelations -- which did little to dent his support even among religious conservatives. 

- Mueller investigation -

In May 2017, former FBI director Robert Mueller was named as special counsel to investigate whether any members of Trump's presidential campaign conspired with Russia to get him elected, as well as subsequent efforts by the president to obstruct justice.

The Mueller probe uncovered a trail of misdeeds that led to charges against half a dozen former Trump associates including his former campaign manager Paul Manafort, confidant Roger Stone, former top aide Michael Flynn and Cohen.

Rejected by Trump as a "witch hunt," the probe cast a long shadow over the White House throughout the first half of his presidency.

Although the 22 month investigation did not exonerate Trump, Mueller adhered to a Justice Department policy against charging sitting presidents -- which ultimately allowed Trump to declare himself cleared.

- The elusive tax returns -

Trump is the first US president since Richard Nixon not to have made his tax returns public, claiming they are under audit by the Internal Revenue Service.

In October 2016, The New York Times revealed that Trump reported over $1 billion in business losses in 1995 -- potentially allowing him to avoid paying income tax for two decades.

Democrats in the House of Representatives have since turned to the courts to force the release of Trump's tax returns and other records in cases that are considered a crucial test of the separation of powers.

But the president has so far managed to rebuff their demands, with the cases tied up in the US court system.