On 16 March 1874 Napoléon , Prince Imperial , son of Napoleon III , spoke at his 18th birthday celebration in favour of an " appel au peuple " , or plebiscite .
Head entity: napoleon iii Q7721 11 12
Tail entity: napoléon, prince imperial Q221549 4 5 6 7
Relation (head \u2192 tail): P40
Inverse relation (tail \u2192 head): P22