https://www.youtube.com/watch?v=JCHsqSdMV-4
It will come about also in that day that a great trumpet will be blown, and those who were perishing in the land of Assyria and who were scattered in the land of Egypt will come and worship the LORD in the holy mountain at Jerusalem (Isaiah 27:13).
Jesus will reign as king over Israel as well as all the nations of the world (Isaiah 2:4; 42:1).
Revelation 8:6 – “And the seven angels which had the seven trumpets prepared themselves to sound.”
Matthew 24:31 – And he shall send his angels with a great sound of a trumpet, and they shall gather together his elect from the four winds, from one end of heaven to the other.
https://www.endtime.com/blog/revelation-seven-trumpets-shall-sound/