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Re:I Got a Knuth Check for 0x$3.00 by dchest on Saturday May 18, 2019 @03:36PM (#19949298)
> Were Soviet universities at the time closed over Christmas

No, Christmas was not an official holiday. Also, it's on the 7th of January.

Re:I Got a Knuth Check for 0x$3.00 by lukasm on Saturday May 18, 2019 @06:03PM (#19949978)
25th of Dec is 7th of January in the common Gregorian calendar.