Did his prophecies come true?
Details: Joseph Smith prophesied on September 22-23, 1832 in Kirtland Ohio that the temple and a new city would be built in Western Missouri within the generation.
1. The city and the temple was not built in Western Missouri within the generation of the prophecy.
2. The temple was built in Salt Lake City, Utah and was finished on April 6, 1893, taking 40 years to complete from its commencement. So the temple was built within the generation.
3. Salt Lake City was founded by Brigham Young, LDS in 1847.