Vice President Joe Biden on Wednesday asked a group of supporters in Blacksburg, Va., “where’s it written we cannot lead the world in the 20th century in making automobiles?”

“Once again, General Motors is the largest automobile maker in the world. Folks, where’s it written we cannot lead the world in the 20th century in making automobiles? I’ve not seen it written anywhere,” Biden said, forgetting that we’ve been out of the 20th century for about, oh, 12 years.

Considering that this is yet another in a really, really long line of campaign gaffes, is it any wonder some have jokingly suggested the VP is doing this on purpose?

Biden Forgets Which Century Were In

Meanwhile, from Romney campaign spokesman Ryan Williams:

Mitt Romney and Paul Ryan will ensure America leads the world in the 21st century by strengthening middle-class families and creating jobs.

President Obama and Vice President Biden have taken our nation backward with failed policies that have resulted in higher unemployment, more debt, and a weaker economy. A campaign based on rage and divisiveness can’t hide the president’s failed record.

UPDATE: As Kieth Koffler of White House Dossier notes, this isn’t the first time Biden has mixed up his centuries. Back in 2010, he made the exact same mistake:

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(H/T: WFB), front page photo source: The AP.