The earliest document from the blessing of oils seems in the Apostolic Tradition, an early Christian doc frequently acknowledged for being dated before 235 CE. Today, consecrating the oils is carefully tied to preparing for Holy Saturday’s Easter Vigil, as countless numbers are baptized in to the Catholic Church https://liantong.com.tw/%e6%83%b3%e8%be%a6%e7%90%86%e6%96%b0%e7%ab%b9%e6%88%bf%e5%b1%8b%e4%ba%8c%e8%83%8e%e8%b2%b8%e6%ac%be%ef%bc%9f%e8%81%af%e9%80%9a%e8%b2%b8%e6%95%99%e6%82%a8%e5%a6%82%e4%bd%95%e7%b0%a1%e5%96%ae%e7%94%b3/