World History offline is completely offline history book app with all the events in history from -137,00,000,000800 B.C - till date , ideal for preparation of competitive exams like IAS , UPSC and also useful for knowing about history of the world The categories of the history are the following 1. Ancient History (Before 800 B.C) 2. Ancient World (Before 0 B.C) 3. Ancient World (0-500 A.D) 4. Medieval World (500-1000 A.D) 5. Medieval World (1000-1600 A.D) 6. Enlightened World (1600-1800 A.D) 7.