| August 13, 1919 | Born Alpha Rex Emmanuel Humbard in Little Rock, Arkansas to Alpha Emmanuel and Martha Bell Humbard, both of who had been been involved in itinerant evangelistic ministries. His mother consecrated him to God's service when he was 2 days old. His family started Pentecostal churches and holding evangelistic meetings all over the United States and he was involved in this ministry, including radio broadcasting, from a young age. |
| 1942 | Married Maude Aimee Jones in Dallas, Texas. They had four children: Rex Emmanuel Jr., Don Raymond, Aimee Elizabeth, and Charles Raymond. |
| 1943 | Ordained to ministry in the Evangelical Church. |
| Summer 1952 | Left the family ministry to start an independent, nondenominational church in Akron, Ohio. While watching a baseball game on a television set in a store window, he had a vision of the use of television in evangelistic work. |
| February, 1953 | Incorporated Calvary Temple, Inc and began television broadcasts of his sermons. He also held rallies around the United States and in many other countries, including Brazil. |
| 1958 | Dedicated his new four million dollar church building, the Cathedral of Tomorrow, in the Akron suburb of Cuyahoga Falls. It was one of the first churches specially equipped for television broadcasts. |
| 1970 | Honorary Doctor of Divinity degree from Trinity College, Dunedin, Florida, USA. |
| 1971 | Wrote his autobiography, Miracles in My Life. |
| 1970s | Acquired or started several enterprise, including Macinac College and businesses in various parts of the United States. |
| 1973 | After complaints from federal and state agencies about securities sales, he sold off most properties. |
| 1973 | Honorary Doctor of Laws degree from Oral Roberts University, Tulsa, Oklahoma, USA. |
| 1974 | Delegate to International Congress on World Evangelization in Lausanne, Switzerland |
| 1977 | Preached at the funeral of Elvis Presley. |
| 1978 | Humbard's program, Cathedral of Tomorrow, was carried by 378 television stations in North America and on about 1,200 in other countries. His audience was estimated at twenty million. |
| 1982 | Moved to Florida and his son, Rex Jr., followed him as leader of the ministry. |
| 1993 | Inducted into the Broadcaster's Hall of Fame. |
| 1994 | Cathedral of Tomorrow facilities sold to evangelist Ernest Angley. |
| December 27, 1999 | Named by U.S. News and World report one of the "Top 25 Principle Architects of the American Century." |
| September 21, 2007 | Died in a hospital near his home in Lantana, Florida, USA of natural causes. |