1 Caption: Mars, 1918.
1 Martian 2: Oops.
2 Martian 1: We want to conquer Earth, not have the humans kill each other in bloody battle!
3 Martian 1: We'll just have to make sure nothing like that ever happens again.
4 Martian 2: No problem. There's a guy in Germany who'll make a great new leader.

That should work out well.

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2022-12-04 Rerun commentary: This strip refers back to #2368 (which was rerun back in mid-October, almost two months before this rerun if my calculations are correct), in case the context is a little difficult to work out at this point.

In the past, there were a few notable years that you could just append "oops" to. I think it probably works with any of the last four years, now.