International Day of Sign Languages September 23 – Theme, History and Importance

                        International Day of Sign Languages 2026 is observed on September 23. Learn the 2026 theme, history, significance and key facts for TNPSC and competitive exams.

International Day of Sign Languages September 23

• International Day of Sign Languages (IDSL) is observed annually on 23 September to raise awareness of the importance of sign languages in realizing the human rights of deaf people.
• The United Nations emphasizes that sign languages are fully developed natural languages and are important to linguistic and cultural diversity.

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International Day of Sign Languages – Important Facts

• Day = International Day of Sign Languages
• Date = 23 September
• Observed annually = 23 September
• Proclaimed by = United Nations General Assembly
• Resolution = A/RES/72/161
• Resolution adopted = 19 December 2017
• First celebrated = 23 September 2018
• Proposed by = World Federation of the Deaf (WFD)
• Significance of 23 September = Date on which the World Federation of the Deaf was established in 1951
• 2026 Theme = “Declaring Deaf People’s Human Rights”
• 2026 International Week of Deaf People = 21–27 September 2026
• International Day of Sign Languages September 23

Why 23 September?

• 23 September 1951 was the date on which the World Federation of the Deaf (WFD) was established.
• Therefore, the date commemorates the organization that has played a major role in promoting the human rights of deaf people and the preservation of sign languages and Deaf culture.

2026 Theme on International Day of Sign Languages

• Theme = “Declaring Deaf People’s Human Rights”
• The 2026 theme calls for the recognition, protection and promotion of the human rights of deaf people, including full access through national sign languages.
• International Day of Sign Languages September 23

About Sign Languages

• Sign languages are fully developed natural languages.
• They are structurally different from spoken languages.
• There is no single universal sign language; different countries and communities use different national sign languages.
• The UN notes that deaf communities collectively use more than 300 different sign languages.
• The World Federation of the Deaf estimates that there are more than 70 million deaf people worldwide.
• International Day of Sign Languages September 23

Sign Language and Human Rights

• The UN Convention on the Rights of Persons with Disabilities (CRPD) recognizes the importance of sign languages and establishes their equality with spoken languages in the relevant rights framework.

International Week of Deaf People

• International Week of Deaf People: 21–27 September 2026
• The International Day of Sign Languages falls on 23 September.
• The 2026 week focuses on identity, culture and rights.
• The 2026 theme for the week is also “Declaring Deaf People’s Human Rights.”
• International Day of Sign Languages September 23

World Federation of the Deaf (WFD)

• Founded = September 23, 1951 (Rome, Italy).
• Headquarters: Helsinki, Finland.
• Represents over 130 national deaf associations globally.
• It is an international organization advocating for the human rights of deaf people.
• It promotes equal access to sign language, education, employment and community life.
• International Day of Sign Languages September 23

Key Indian Initiatives (For UPSC / State PSC / SSC)

• Indian Sign Language Research and Training Centre (ISLRTC) = An autonomous body under the Department of Empowerment of Persons with Disabilities (DEPwD), Ministry of Social Justice and Empowerment.
• ISL Dictionary = ISLRTC released multiple editions of an Indian Sign Language Dictionary containing over 10,000 terms across academic, legal, and daily usage.
• National Education Policy (NEP) 2020 = Mandated standardizing Indian Sign Language across the country and developing national and state curriculum materials in ISL for students with hearing impairment.
• RPwD Act, 2016 = Explicitly recognizes sign language as a vital mode of communication and guarantees non-discrimination in education and employment.
• International Day of Sign Languages September 23

TNPSC One-Liner Revision Facts

• International Day of Sign Languages – 23 September.
• It was proclaimed by the United Nations General Assembly.
• The relevant UN resolution is A/RES/72/161.
• The resolution was adopted on 19 December 2017.
• The first International Day of Sign Languages was celebrated in 2018.
• The day was proposed by the World Federation of the Deaf (WFD).
• The WFD was established in 1951.
• 23 September commemorates the establishment of the WFD.
• 2026 theme – “Declaring Deaf People’s Human Rights.”
• International Week of Deaf People 2026 is observed from 21–27 September.
• Sign languages are natural languages, not merely systems of gestures.
• More than 300 sign languages are used by deaf communities worldwide.
• More than 70 million deaf people are estimated worldwide by the WFD.
• The CRPD recognizes the importance of sign languages.
• The first International Day of Sign Languages was observed in 2018 under the theme “With Sign Language, Everyone is Included!”
• International Day of Sign Languages September 23

Other International Days – Most Important for TNPSC Exams

• Blindness / Visual Impairment
  1. 1. 4 January → World Braille Day
     2. 15 October → World White Cane Day
     3. Second Thursday of October → World Sight Day
• Deafness / Hearing Impairment
  1. 1. 23 September → International Day of Sign Languages
     2. Last Sunday of September → World Deaf Day / International Day of the Deaf
• Disability – General
  • 1. 3 December → International Day of Persons with Disabilities