New Year’s Day: “In ancient Rome, the first day of the year was given over to honoring Janus, the god of gates and doors and of beginnings and endings. . . . New Year’s Day became a holy day in the Christian church in A.D. 487.”. — The World Book Encyclopedia (1982), Volume 14, page 237. Valentine’s Day: “Valentine’s Day comes ... More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.