Tongues and the love of God connection:
"But ye, beloved, building up yourselves on your most holy faith, praying in the Holy Ghost,
Keep yourselves in the love of God, looking for the mercy of our Lord Jesus Christ unto eternal life." Jude
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Doesn't state revival but could include one "So shall they fear the name of the Lord from the west, and his glory from the rising of the sun. When the enemy shall come in like a flood, the Spirit of the Lord shall lift up a standard against him." (Isa 59). "And it shall come to pass in the last days, saith God, I will pour out of my Spirit upon all flesh: and your sons and your daughters shall prophesy, and your young men shall see visions, and your old men shall dream dreams:" (Acts 2:17)
Addressing prophecy:
"This charge I commit unto thee, son Timothy, according to the prophecies which went before on thee, that thou by them mightest war a good warfare;" (I Tim 1:18)
Definitely begins in the church "If my people, which are called by my name, shall humble themselves, and pray, and seek my face, and turn from their wicked ways; then will I hear from heaven, and will forgive their sin, and will heal their land." (II Chron 7:14).
Don't know about the Toronto Airport revival. Some results from Brownsville are many ministers went to numerous countries, individuals and families were changed. One example is Ward Simpson. According to his testimony, he wasn't living for the Lord when he started attending but his focus and dedication changed. He was at Brownsville for several years and is currently the CEO of God TV which has several hundred million viewers.
Read there were several services at a church in 1934 with only one convert, Billy Graham.
Jesus, while on earth, said look at the signs and wonders "If I do not the works of my Father, believe me not. But if I do, though ye believe not me,
believe the works: that ye may know, and believe, that the Father is in me, and I in Him." (John 10:37-38)