The 1904–1905 Welsh revival was the largest Christian revival in Wales during the 20th century. It was one of the most dramatic in terms of its effect on the population, and triggered revivals in several other countries. The movement kept the churches of Wales filled for many years to come, seats being placed in the aisles in Mount Pleasant Baptist Church in Swansea for twenty years or so, for example. Meanwhile, the Awakening swept the rest of Britain, Scandinavia, parts of Europe, North America, the mission fields of India and the Orient, Africa and Latin America.The Welsh revival has been traced as the root of the megachurches in the present era.New Quay and Blaenannerch
A prominent leader of the Revival was the Methodist preacher of New Quay, Joseph Jenkins, who arranged a conference in New Quay in 1903 with the theme to deepen loyalty to Christ. After a meeting in February 1904 during which Florrie Evans is quoted as saying "I love Jesus Christ with all my heart" is said to have made an impression on the meeting. This is said to be the beginning of the revival.The regular Sunday meetings as well as the newly founded midweek meetings became lively. Members of Joseph Jenkins' church, led by Jenkins, went to other nearby towns and villages. In September a conference was held at Blaenannerch. It was reported that 'massive blessing' was upon this conference and the news quickly spread throughout the area and beyond. The South Wales Daily News picked up on the events and reported that "the third great revival was afoot through the nation!"—the other two being the Welsh Methodist revival and the 1859 Methodist revival. Wiki.