Sherlock Holmes Day, celebrated on May 22nd, marks the birthday of Sir Arthur Conan Doyle, the brilliant mind behind the world’s most famous detective. What began as a niche celebration among mystery lovers has grown into a global event, with fans donning deerstalker hats and reenacting Holmes’s legendary cases. This day isn’t just about dressing up or reading stories—it’s a tribute to the enduring influence of Sherlock Holmes on both literature and science. Across the world, libraries, museums, and forensic labs use this day to honor how Holmes’s methods still inspire real investigations. The sense of excitement and curiosity that fills the air on Sherlock Holmes Day perfectly mirrors the relentless pursuit of truth in both fiction and reality.