Explanation:

• World Teachers’ Day, also known as International Teachers Day, is held annually on October 5 since 1994.
• The Day aims to focus on appreciating, assessing and improving the educators of the world and to provide an opportunity to consider issues related to teachers and teaching. The Theme for 2021 International Teachers Day is “Teachers at the heart of education recovery”.
• The day was established in 1994, to commemorate the signing of the 1966 UNESCO/ILO Recommendation concerning the Status of Teachers, which is a standard-setting instrument that addresses the status and situations of teachers around the world.