Witnesses believe Christ's millennial reign begins after Armageddon. Many traditional denominations continue to oppose the concept of a literal millennial kingdom. Many converts believed that the Awakening heralded a new millennial age. "Sarah's Scribbles" focuses on adulthood and the maturity of the Millennial generation. In January 1831, he began publication of the "Millennial Harbinger". Smith also elaborated on his plan for a millennial kingdom. The society allies with those who work to preserve their millennial heritage among their descendants. Other journalists echoed McCormick's opinion, describing the song as an anthem for the "millennial generation". Combate Americas caters to a millennial audience. Like the millennial population, Philadelphia's immigrant population is also growing rapidly. Avocado toast is seen as a symbol of millennial culture. No strong link to millennial climate changes has been found to date. In the wake of early millennial thinking, the Three Ages philosophy developed. Union growth in 2017 was primarily millennial workers. "American Kids" lyrically talks about millennial stereotypes.