The Battle of Grand Gulf was fought on April 29, 1863, during th: Nigerian English is a variety of English spoken in Nigeria.[303] It has traditionally been based on British English, but in recent years, because of influence from the United States, some words of American English origin have made it into Nigerian English. Additionally, some new words and collocations have emerged from the variety out of a need to express concepts specific to the culture of the nation (e.g. senior wife). Over 150 million Nigerians speak English.[304]