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2 answers

Once every seven years since the end of WWI?

2007-10-28 23:20:58 · answer #1 · answered by Sandy K 4 · 0 1

I'm not going to work it out, but it will happen at least once every 5 or 6 years - depending on how many leap years there are between one Sunday 11 November and the next.

2007-10-28 22:36:47 · answer #2 · answered by rdenig_male 7 · 0 0

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