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This nostalgic ‘Great Britain’ post prompted some brilliant detective work to pinpoint the exact day it’s talking about

You might have come across this nostalgic post harking back to a simpler time when, apparently, Britain really was Great Britain.

If you haven’t – but even if you have – here it is.

And it prompted this fantastic response by @RufusHound.

But that’s not why we’re here. We’re here because the post prompted comedian @FrizFrizzle to put on his deerstalker and get out his magnifying glass to work out exactly what day they were talking about.

And it’s brilliant.

Just beautifully done!

Not everyone appreciated it.

But they were wrong, obviously.

And you can follow @FrizFrizzle on Twitter here!

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