Using archaeological and historical observations and with Mayapan as a test case, the authors argue that prolonged drought increased factional tensions, but regional Mayan society recovered until European contact in the early sixteenth century CE.
link to paper in Nature Communications:
https://www.nature.com/articles/s41467-022-31522-x (https://www.nature.com/articles/s41467-022-31522-x)
thanks Jon, similar parallels to the events of 536AD (ish) and the proposed effect on British events (amongst others obviously)