The Rev. Sun Myung Moon, the Korean evangelist, businessman and self-proclaimed messiah who built a religious movement notable for its mass weddings, fresh-faced proselytizers and links to vast commercial interests, died on Monday in Gapyeong, South Korea. He was 92.

His death was announced on his church’s Web site, which said he had been battling complications from pneumonia, including kidney failure.

Mr. Moon courted world leaders, financed newspapers and founded numerous innocuously named civic organizations. To his critics, he pursued those activities mainly to lend legitimacy to his movement, known as the Unification Church, although his methods were sometimes questionable. In 2004, for example, he had himself crowned “humanity’s savior” in front of astonished members of Congress at a Capitol Hill luncheon....