Two names are used to refer to the United States of America: America and the United States. This highly developed nation, home to over 331 million people, is also the third most populated in the world. Independence Day was established on July 4, 1776, and Americans commemorate it annually. The majority of Americans speak English, which is the country's national tongue. Schools offer instruction in a variety of languages, including Spanish, German, Latin, Japanese, American Sign Language, etc. Given that the majority of its residents are descended from immigrants, the United States is home to numerous cultures representing a diverse range of ethnic groupings and values.