Overview

• Newsrooms note the observance is commemorative rather than a formal public holiday in many countries.
• The celebration extends beyond biological ties to include chosen “brothers of the soul” and spiritual bonds.
• In Argentina, a separate popular observance is held on March 4, a socially promoted date without official origin.
• Coverage revisits that Mother Teresa died on September 5, 1997 and was canonized in 2016, framing the tribute.
• Service features offer family guidance, citing experts who caution against strict birth‑order labels and urge validating emotions to address sibling jealousy.