Augmented Reality (AR) has dramatically transformed the educational landscape over the past few decades. By overlaying digital content onto the physical world, AR technologies have enhanced the way learners interact with subjects, making abstract concepts more tangible and interactive. The history of educational AR is marked by significant milestones that have pushed the boundaries of what is possible in teaching and learning environments. This page explores key moments and innovations that have shaped the evolution of educational AR, highlighting groundbreaking software, hardware advancements, and influential research that collectively contributed to today’s immersive classroom experiences.