AI overview
I don't have enough context to write an accurate overview of what "1406" refers to. The context provided only indicates "year," but "1406" could refer to many different historical events, works, or subjects from that year. Could you provide more specific information about what aspect of 1406 you'd like me to focus on?
AI-generated from the Wikipedia summary — may contain errors.
Article
July 16: China's Emperor Cheng Zu issues the "Edict to Invade Annam", listing 20 reasons for the need to conquer Vietnam. Year 1406 (MCDVI) was a common year starting on Friday of the Julian calendar.
Events