This year also feels extraordinary for the Jewish and Assyrian communities of faith, as for the first time since 33 A.D., the Pesach Seder (Passover Dinner), which corresponds to the Last Supper in Catholic traditions, fell on the exact same day (Wednesday evening). 2026 marks the first such occurrence in the modern era under the calendars of both faiths, given there have been no instances of the full triple alignment (full moon + Pesach/15 Nisan beginning at sunset + Holy Thursday in the earlier Catholic sunset reckoning) on a Wednesday night since 33 A.D.
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Actually no. Keep in mind that the solution to the "two-Passover" tension of the Gospels is that Pharisee Passover is the beginning of the 15th of the moon (Wed 1 Apr 2026) and Quartodeciman Passover is the beginning of the 14th (Tue 31 Mar). Evidence is that Jesus partook the earlier date and was crucified as the lambs were slain for the later date. But best evidence is that in 33 he partook and died on 14 Nisan (Thu-Fri 2-3 Apr Julian).
So, first, Rabbinical (Pharisee) Passover (1 Apr) is not Catholic Last Supper (31 Mar by the moon, but remembered on Holy Thu 2 Apr).
Second, if one believes in a Wed Last Supper, one would believe in a Thu crucifixion, which has fewer proponents than either Wed or Fri crucifixion. If, however, one recognizes that Rabbinical Seder corresponds to the crucifixion, Wed Seder would mean a Wed crucifixion (I have explained elsewhere some of the flaws with this approach). These are believed by some but I'm sticking with Fri crucifixion for this math.
Next, it's not a "triple" alignment because the full moon is always aligned to Pesach and 15 Nisan. I suppose if we ran astronomical calculations for the exact instant of the "fullest" moon by some definition, we'd narrow down more dates but it probably wouldn't be significant.
A quick consult of when 15 Nisan (full moon) aligns with Holy Wed-Thu (sunset to sunset) shows that as recently as 2023, the day of 15 Nisan, the full moon, and Holy Thu all fell on Apr 6; in 2020 they all fell on Apr 9. Alignment is irregular.
But for the reasons above, in 33 the alignment was 14 Nisan with Good Friday, not 15 Nisan with Holy Thursday. This alignment is also common and happened on Apr 15, 2022, for instance.
At the same time there is an interesting coincidence this year, namely the Gregorian date of Good Friday 2026 (3 Apr) is the same as the Julian date in 33. This is rarer but still happens a few times per century.
For the coincidence to be more interesting, it would be fun to align the Gregorian, the original Julian, and the 14 Nisan all at the same time (find a Catholic Good Friday 3 Apr Gregorian that is also 14 Nisan). This looks like only once in the past century, 2015. (It would be less useful IMHO to align the modern Julian with the original Julian and 14 Nisan because the Julian lapses against the sun's position so isn't that a match anymore, even though the Orthodox have not come to consent to change it yet. Since the Orthodox often delay Good Friday beyond the Catholic calculation even without referring to the Julian, the last time we had this synchronicity appears to be the 11th century: Catholic/Orthodox Good Friday 3 Apr Julian (full moon 14 Nisan Hillel) in 1075 is all the same as in 33; this would have been more common before that, though.)
So in all interpretations of the goal of OP, I don't find a date coincidence that hasn't happened since 33. Sorry!