Longman Company was founded in 1724, and it published the world's first English dictionary in 1755. In 20 12 years, English teaching resources have been published in 17 languages in 55 countries or regions around the world. It is the world's most famous English education publishing organization and one of the most famous brands under Pearson Education Group, the world's largest education publishing group. After being acquired by Pearson, Longman was named "Pearson Longman". In addition to various books and multimedia textbooks on English teaching, Longman also publishes textbooks on other subjects in primary and secondary schools, such as history, economy, art, philosophy, politics and religion.