@onthisday.x: 📜 On this day in 1937: Japanese troops entered Nanking (Nanjing), marking the start of one of history's darkest chapters—the Nanking Massacre. Over six weeks, unspeakable atrocities were committed against civilians and prisoners of war, leaving a legacy of pain and remembrance. 🕊️ Never forget. #NankingMassacre #OnThisDay #HistoryMatters