1001955

The year 1,001,955 was a year during the 10,020th century and was one million years after the year 1955.

In fact, it was during that year that Superboy placed a radioactive rock over a hole that he had dug to the center of the Earth, so as to keep in the Crystaloid monsters that got out.

He then told his faithful canine companion known as Krypto that the boulder should keep them snug for the next million years...which would have been this year: