Step 1 — Recall hockey’s Olympic history:
Field hockey made its Olympic debut in the early 20th century. It was first included in the Summer Olympic Games held in Stockholm, Sweden.
Step 2 — Year of introduction:
The year was 1912, when hockey was played at the Stockholm Olympics for the very first time.
Step 3 — Significance:
Since then, hockey has remained an important Olympic sport, with India, Pakistan, the Netherlands, Germany, and Australia emerging as some of the most successful nations in Olympic hockey history.
Step 4 — Conclusion:
Hockey was introduced for the first time in the Stockholm Olympic Games, 1912.
Answer: Stockholm, 1912