Last bell(Russia, post-Soviet countries)

Last Bell is a festive ceremony marking the end of the academic year in Russia and other post-Soviet countries, celebrated on May 25.
Last Bell ceremonies symbolize the final school bell ringing for graduating students, marking the close of the academic year. Students dress in traditional school uniforms and girls often wear white aprons and decorative hair bows. Festivities include speeches, performances, and the ceremonial ringing of a special bell by a first-year student carried by a graduate. Parents and teachers gather to honor students’ achievements and wish graduates success in their future endeavors. Schools host concerts, photo sessions, and award ceremonies before students embark on summer break. Experience this heartfelt tradition that combines nostalgia, pride, and hope for new beginnings.
Last bell

National Missing Children's Day(United States),

U.S. observance dedicated to raising awareness about missing children and supporting affected families.
National Missing Children’s Day, observed annually on May 25th in the United States, honors the ongoing effort to find and protect missing minors. Established by President Ronald Reagan in 1983, it commemorates the disappearance of six-year-old Etan Patz, whose case galvanized national attention to child safety. Each year, law enforcement agencies, child advocacy groups, and families host events, vigils, and educational programs to inform the public and improve prevention strategies. The National Center for Missing & Exploited Children leads awareness campaigns, provides resources for families, and updates age-progressed images online. Communities are encouraged to share information, create family safety plans, and advocate for stronger protections. This day serves as a solemn reminder of society’s collective responsibility to safeguard children.
National Missing Children's Day