Read The Lamb’s Supper by Scott Hahn. The Book of the Apocalypse is a liturgical guide that opens our eyes to our earthly Mass being the same as the Heavenly Liturgy.
We are in the End Times and have been since Pentecost (the original one - not yesterday ).
Any kind of prophesy won’t be understood in its context until after the actual event has occurred. There is no way to divine anything about future events based on past writings.
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