The best part of the G20 summit this year? Trump's many gaffes.

Trump has probably learned the hard way that not all Asians look alike, after he mixed up Singapore's Prime Minister Lee Hsien Loong for Indonesian President Joko Widodo.

SEE ALSO:We rated every Trump handshake so far at G20

The original Instagram post in which he mixed the duo up has now been deleted, but not before it was immortalised on Twitter:

Credit: @dianonno/twitter

Unfortunately for Trump's social media team, this is President Joko Widodo of Indonesia.

Mandatory Credit: Photo by Gutschalk Thorsten/action p/REX/Shutterstock (8923773be) Joko Widodo G20: Arrivals Elbphilharmonie (Elbe Philharmonic Hall), Hamburg, Germany - 07 Jul 2017 Credit: action p/REX/Shutterstock

Reactions were swift on Twitter:

Tweet may have been deleted

Tweet may have been deleted

Tweet may have been deleted

Tweet may have been deleted

The caption was later changed to reflect the correct leader.

View this post on Instagram

You know what they say -- second time's a charm.

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Taiwan or China?

But if you thought that was bad, be prepared for some major cringe.

A press release issued by the White House referred to Chinese President Xi Jinping as the President of the Republic of China.

Tweet may have been deleted

The Republic of China in fact refers to Taiwan, whereas China is known officially as the People's Republic of China.

This seemingly minor difference, however, is a huge snub to Chinese citizens, who view Taiwan as a renegade, breakaway province.

Tweet may have been deleted

Tweet may have been deleted

Tweet may have been deleted

Prime Minister or President?

And to end things off, here's the White House with yet another mistake.

Japanese Prime Minister Shinzo Abe got a title change, after he was referred to as President Abe of Japan in yet another of the White House press releases.

Credit: web cache/the white house

Naturally, the mistake was soon quickly corrected, but good ol' Twitter never forgets.

Tweet may have been deleted

Yeah, that pretty much sums it up.

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