3 Bible Verses about The Last Trumpet

Look, I am telling you a secret truth: We will not all die, but we will all be changed [i.e., physically and spiritually] in a split second, as quickly as the twinkle of an eye, when the last trumpet blows. For the trumpet will blow and dead people [i.e., believers] will be raised up, never to decay again, and [the living] will be changed [i.e., physically and spiritually].

For the Lord Himself [i.e., Jesus] will come down from heaven with a commanding shout [Note: This probably refers to Jesus' voice. See John 5:25, 28], [and] with the archangel's voice [i.e., Michael. See Jude 9] and with the sound of God's trumpet; [at this] the dead in [fellowship with] Christ will rise [from the dead] first. Then, we who [will still] be alive, that are left, will be caught up together with them into the clouds to meet the Lord in the air. And so [from then on] we will always be with the Lord.

Then the seventh angel sounded its trumpet, and there were loud voices in heaven saying, "The kingdom of the world has become the kingdom of our Lord [i.e., God] and of His Christ, and He will rule forever and ever." And the twenty-four elders, who sit in front of God on their thrones, fell on their faces and worshiped God, saying, "We thank you, O Lord God Almighty, who exists [in the present] and who existed [in the past], because you have taken your great power and have begun to rule.read more.
And the nations were enraged, but your wrath has come [anyway]. The time has come for the dead to be judged and for your servants the prophets to receive their reward, [along with] the saints and [both] the insignificant and important ones who revere your name. [It is also time] to destroy those who destroy the earth." Then God's Temple in heaven was opened, and inside of it was seen the Chest containing God's Agreement [i.e., between Him and Israel]. [Immediately] there came lightning flashes, [loud] sounds, rumbling thunder, an earthquake and a severe hailstorm.