Core Viewpoint - The national memorial ceremony for the Nanjing Massacre victims was held on December 13, 2025, emphasizing the importance of remembering history and fostering peaceful exchanges between nations [1][2]. Group 1: Ceremony Details - The memorial ceremony took place at the Memorial Hall of the Victims in Nanjing, attended by international guests who participated in a "Candlelight Memorial" to honor the victims [1][3]. - Notable attendees included Sayoko Yamauchi from Japan, Christoph Reinhardt, the great-grandson of John Rabe, and Friedrich Rosen, grandson of Georg Rosen, highlighting international recognition of the event [3]. Group 2: Personal Reflections - Sayoko Yamauchi expressed the need for Japanese society to preserve the memory of the victims and learn from history, advocating for peaceful exchanges between Japan and China [4]. - Christoph Reinhardt donated significant archives to the memorial, including a bronze plaque with the names of John Rabe and his wife, illustrating the ongoing impact of historical events on descendants [5]. - Friedrich Rosen shared insights about his grandfather's efforts during the Nanjing Massacre, emphasizing the importance of acknowledging past atrocities while reflecting on personal family history [6].