Important Educational Days:
• 8 September -- International Literacy Day.
• 5 September -- Teachers' Day (India).
• 24 January -- International Day of Education.
• 11 November -- National Education Day (India).
Concept:
International Literacy Day is observed every year to raise awareness about the importance of literacy as a basic human right and a foundation for lifelong learning and sustainable development.
• Declared by UNESCO in 1966.
• First observed in 1967.
• Celebrated annually across the world.
Step 1: Recall the observance date.
International Literacy Day is celebrated every year on:
\[
\boxed{8^{\text{th}}\ \text{September}}
\]
The day highlights the need to improve literacy rates and ensure quality education for all.
Step 2: Understand the objectives of the day.
The main objectives are:
• Promote literacy among children and adults.
• Spread awareness about the importance of education.
• Encourage lifelong learning opportunities.
• Support the achievement of Sustainable Development Goal (SDG 4) -- Quality Education.
Step 3: Compare the options.
• 8\textsuperscript{th} September -- International Literacy Day (Correct).
• 2\textsuperscript{nd} October -- Gandhi Jayanti and International Day of Non-Violence.
• 14\textsuperscript{th} November -- Children's Day in India.
• 26\textsuperscript{th} January -- Republic Day of India.
Step 4: Final conclusion.
Hence, International Literacy Day is observed on:
\[
\boxed{8^{\text{th}}\ \text{September}}
\]