No one is linking that up to these seals ... at least I don’t see it here.
Look at the other events that were related ... Israel’s establishment as a nation, and Israel’s full control over Jerusalem and sovereignty over the Temple Mount.
So, if I was betting on something, I would say a major war in the Middle East, involving Israel - perhaps the “Psalm 83 War”.
What does a blood moon have to do with Psalms 83?