The Battle of Grand Gulf was fought on April 29, 1863, during th: English has had a strong influence on the vocabulary of other languages.[235][242] The influence of English comes from such factors as opinion leaders in other countries knowing the English language, the role of English as a world lingua franca, and the large number of books and films that are translated from English into other languages.[243] That pervasive use of English leads to a conclusion in many places that English is an especially suitable language for expressing new ideas or describing new technologies. Among varieties of English, it is especially American English that influences other languages.[244] Some languages, such as Chinese, write words borrowed from English mostly as calques, while others, such as Japanese, readily take in English loanwords written in sound-indicating script.[245] Dubbed films and television programmes are an especially fruitful source of English influence on languages in Europe.[245]