New answers tagged trello-cards
Trello doesn't have a view board as on a specific day feature. I do believe you can use the created:day / edited:day search operators to return what cards were created/edited, but that's about it.
You can't create private cards - a workaround is to create a private board, and refer to the card by adding a link to the card in the private board n the description. Your example does pretty much that
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