1. Unus Annus Is a channel made by Markiplier and Crankgameplays and will be deleted on November 14th, 2020. It teaches its viewers about the inevitability of death and how the clock is always ticking.

2. Your time is up loser
only joking
Memento Mori, Unus Annus :))
Lincoln, lord of Link: "Yo remember Unus Annus?"
Lord Lincoln of the Link: "...It died yesterday why are you rubbing salt in my wounds"
by candalie November 15, 2020
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Unus Annus (lat. = One Year) was a project on YouTube made by Markiplier, as Annus, and Crankgameplays, as Unus.

The reason behind the channel was to enjoy the time you had, live in the moment, and remember that everything comes to an end eventually.

(Also worth noting: Memento Mori = Remember Death)

They would upload every day for a year and delete the whole channel after the clock stops ticking.

Memento Mori
Unus Annus
A: Did you watch the new Unus Annus video?

B: Yes of course I did! What's your favorite video by the way?

A: Hard to say... I think "Helium Therapy" was really cool.

B: My favorite video was "Mark knows what Ethan did" to be honest haha.

By the way, are you an Unus or an Annus?

A: I am an I Unus, and you?

B: I am Norbert actually.

(Norbert Moses was a fusion of Mark and Ethan)
by Vaniffective November 3, 2020
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They’re gone. You know that their gone. We need to move on. You need to move on.
by izumis_vibezz May 27, 2021
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20 years from now
Son: Hey dad what’s Unus Annus
Dad: Momento Mori
Son:?
by FrozenWaffle November 6, 2020
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Unus Annus is latin for ”One Year” and was the name of the now deleted channel made by Mark Fischbach (Markiplier) and Ethan Nestor (Crankgameplays). I also grew emotionally attached to it.

Memento mori my friends.
Mark and Ethan-Memento mori, Unus Annus.
by SwedishYoungGlucoseGuardian November 24, 2020
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