October 21, 2015 is finally here. Welcome, Marty McFly!

It's a day that you'll see all of our present tech compared to the tech predicted in the 1989 Robert Zebecks classic sequel: 3-D holograms, self-lacing shoes, video chat, robotic fueling systems, wearable tech, mobile payments, biometric sensors, and of course hover boards.

Doc Brown has a special message:

[fbvideo link=”https://www.facebook.com/BTTF/videos/1041479309197239/” width=”480″ height=”360″ onlyvideo=”1″]

And he has also reunited with Michael J. Fox for a Toyota commercial in which they talk about the future becoming reality:

https://www.youtube.com/watch?v=eVebChGtLlY

Back to the Future predicted Donald Trump, the Daily Beast points out:

Of course, in Back to the Future Part II, Marty McFly and Doc Brown fix it all just in the nick of time. They save themselves and America from Donald Tr… Biff Tannen.

It's also a day that has been hoaxed over and over, the L.A. Times notes:

For years, Photoshop hoaxsters have been tweaking it so that Jan. 23, 2009 — no, June 27, 2012 — no, July 11, 2012 — no, Jan. 4, 2015 — is the date to which Marty McFly and Doc Brown travel in “Back to the Future Part II.” (In the original “Back to the Future,” they traveled backward to 1955, not forward to 2015.)

It comes up often enough to merit its own Snopes page.

Since 2013, a Tumblr account has been tricking people by automatically generating a new screenshot that shows that day's date captioned with “Today is the day Marty McFly goes to the future!” According to the notes, a couple hundred people fell for it every day.

But yes, according to the film, for realz, Doc and Marty and their DeLorean arrived at October 21, 2015 in Mill Valley, California at 4:29 pm today.