Mother Tongue Day is celebrated on the 21st of February each year to promote the importance of linguistic and cultural diversity in the world. This day is also known as International Mother Language Day, and it has been observed by the United Nations since 2000. The day commemorates the struggle for the recognition and preservation of mother tongues around the world. The term "mother tongue" refers to the language that a person learns from their mother, which is the primary language that a child is exposed to from birth. This language is often the first language that a person learns to speak, and it is an essential part of their cultural identity. The reason why it is called "mother tongue" and not "father tongue" is due to the traditional gender roles assigned to men and women in many cultures. In most societies, women have traditionally been responsible for the care of children, including teaching them how to communicate through language. As a result, the language that children lea