Crossword puzzle clue "today i tried to put a self effacing three letter acronym inside each theme entry turns out it works in any order except the one i want"

Today, I tried to put a self-effacing three-letter acronym inside each theme entry. Turns out it works in any order except the one I want. ___

Theme answer count, amount of letters in each, word hidden in each, and, when repeated twice, today's date

Each circled pair is an abbreviation for one; all 13 are arranged in the roughly north-to-south order in which their representatives (except for John Hancock) signed the Declaration of Independence

Where to order un thé

Struck out, as one letter in each of this puzzle's theme answers

Like each answer in this puzzle - also each word in each clue - in length

There's one at the beginning of each theme entry

The beginning of each theme entry is one