Mariah Carey notches her 12th Hot 100 No. 1 hit with “Honey,” passing Madonna and Whitney Houston (11 each at the time). By the end of the 1990s, Carey will up that total to 14, and in the 2000s to 18, becoming the solo artist with the most Hot 100 No. 1s, and the second-most of any act, next to The Beatles (20). The ’90s, meanwhile, are the high-water mark for female acts, who account for 49 percent of Hot 100 No. 1s that decade.