Already happened. 70 AD. Add some history reading to your bible reading, too.
Already occurred during the Roman siege and destruction of Jerusalem (and "true" Judaism) in 70 AD. Validates the Bible prophecy made to the Hebrews and saints of the day. Stop trying to make it happen again.
A partial preterist believes God's word was fulfilled just as He said. Those who wish the world to come to an end violently in an apocalypse to satisfy their demonic lust to prove they are "right" are the demons among us.
The bible doesn't mention a third temple…