Easter History, Just a Little Part

I Googled when Easter is going to be this year, 2023 and found some interesting things.

The thumbnail is low angle red and yellow dome from Pexels free to use at this link: https://www.pexels.com/photo/low-angle-photo-of-red-and-yellow-dome-roof-161404/

 The links for what I found are here;

1) What date is Easter in USA 2023: Why does Easter change every year? by Catherine Boeckmann on March 21, 2023 in Almanac website from March 27, 2023 at this link: https://www.almanac.com/content/when-is-easter

2) Britannica, T. Editors of Encyclopaedia (Invalid Date). What was the significance of the Council of Nicaea?. Encyclopedia Britannica. https://www.britannica.com/question/What-was-the-significance-of-the-Council-of-Nicaea at this link: https://www.britannica.com/question/What-was-the-significance-of-the-Council-of-Nicaea

3) Britannica, T. Editors of Encyclopaedia (Invalid Date). What matters were left unsettled at the Council of Nicaea?. Encyclopedia Britannica. https://www.britannica.com/question/What-matters-were-left-unsettled-at-the-Council-of-Nicaea  at this link: https://www.britannica.com/question/What-effect-did-Constantine-I-have-on-the-council

4) Britannica, T. Editors of Encyclopaedia (Invalid Date). What effect did Constantine I have on the council?. Encyclopedia Britannica. https://www.britannica.com/question/What-effect-did-Constantine-I-have-on-the-council at this link: https://www.britannica.com/question/Did-the-Council-of-Nicaea-settle-the-matter-of-Arianism

5) Britannica, T. Editors of Encyclopaedia (Invalid Date). What matters were left unsettled at the Council of Nicaea?. Encyclopedia Britannica. https://www.britannica.com/question/What-matters-were-left-unsettled-at-the-Council-of-Nicaea at this link: https://www.britannica.com/question/What-effect-did-Constantine-I-have-on-the-council

6) Lateran Council Roman Catholicism at this link: https://www.britannica.com/topic/Lateran-Council-Roman-Catholicism

7) Concordat of Worms from Wikipedia at this link: https://en.wikipedia.org/wiki/Concordat_of_Worms

8) Arianism definition and more information at this link: https://www.google.com/search?client=firefox-b-1-d&q=Arianism 

9) Newton's Arian beliefs from MT MacTutor at this link: https://mathshistory.st-andrews.ac.uk/Extras/Newton_Arian/