PSE Advent Calendar 2023 (Day 23): O O O O O O O

Question

<sub>This puzzle is part of the Puzzling Stack Exchange Advent Calendar 2023. The accepted answer to this question will be awarded a bounty worth 50 reputation.

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Evening all! Please put the images in chronological order:

Answer 1

THIS PUZZLE IS ABOUT THE:

O ANTIPHONS (ALSO KNOWN AS THE GREAT O'S)

BEST KNOWN FROM THE HYMN O COME O COME EMMANUEL (https://en.wikipedia.org/wiki/O_Antiphons)

WHICH ARE:

ONE OF THE KEY MUSICAL FEATURES OF THE DAYS LEADING UP TO CHRISTMAS UP UNTIL 23RD DECEMBER (WHICH IS WHY THE PUZZLE HAS BEEN POSTED TODAY)

PUTTING THE IMAGES IN ORDER IN THE RELEVANT SEQUENCE:

1) = O SAPIENTIA (O WISDOM) = IMAGE OF NORMAN WISDOM = 17TH DECEMBER (https://en.wikipedia.org/wiki/Norman_Wisdom)

2) = O ADONAI = IMAGE OF ADONAI MITCHELL = 18TH DECEMBER (https://en.wikipedia.org/wiki/Adonai_Mitchell)

3) = O RADIX JESSE (O ROOT OF JESSE) = IMAGE OF SQUARE ROOT OF JESSE PINKMAN = 19TH DECEMBER (https://en.wikipedia.org/wiki/Jesse_Pinkman)

4) = O CLAVIS DAVID (O KEY OF DAVID) = IMAGE OF DAVID STRAZ KEY OF CITY = 20TH DECEMBER (https://en.wikipedia.org/wiki/2019_Tampa_mayoral_election#Candidates)

5) = O ORIENS (O DAWN OF EAST) = IMAGE OF DAWN OF EAST MOVIE) = 21ST DECEMBER (https://en.wikipedia.org/wiki/Dawn_of_the_East)

6) = O REX GENTIUM (O KING OF NATIONS) = IMAGE OF MARTIN LUTHER KING = 22ND DECEMBER (https://en.wikipedia.org/wiki/Martin_Luther_King_Jr.)

7) = O EMMANUEL = IMAGE OF EMMANUEL MACRON = 23RD DECEMBER (https://en.wikipedia.org/wiki/Emmanuel_Macron)

THIS:

EXPLAINS THE TITLE - O O O O O O O !