Explanation

• International Day of Clean Air for blue skies, was designated 7 September by the United Nations General Assembly in 2019.

• The United Nations General Assembly designated 7 September as the International Day of Clean Air for Blue Skies with the aim of raising awareness and promoting actions to improve air quality.
• Theme 2022: The Air We Share

Explanation

Israel launched widescale strikes against Iran targeting nuclear facilities, ballistic missile factories and military commanders

Iran’s army chief of staff Gen. Mohammad Bagheri martyred 

Six nuclear scientists among killed

This operation is named Operation Rising Lion

This happened on 13 June 2025.

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Explanation

Israel launched widescale strikes against Iran targeting nuclear facilities, ballistic missile factories and military commanders

Iran’s elite Revolutionary Guards top commander Hossein Salami martyred

Six nuclear scientists among killed

This happened on 13 June 2025.

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Explanation

 World Hearing Day is annually observed on 3rd March by World Health Organization (WHO).

Observed for raising awareness regarding hearing loss and promoting ear and hearing care.

Theme 2025: Changing mindsets: Empower yourself to make ear and hearing care a reality for all

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Explanation

For the first time in its history, Bangladesh observed the 76th death anniversary of Quaid-e-Azam Muhammad Ali Jinnah, the founder of Pakistan, at the National Press Club Dhaka.

The ceremony was marked with Urdu songs and poetry, shedding light on Jinnah's life and legacy

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Explanation

World Brain Tumor Day is observed on June 8 to spread awareness and educate people about brain tumors.

Brain Tumor دماغی سرطان
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Explanation

World Radio Day is an international day celebrated on 13 February each year.

Theme 2023: Radio and Peace  

Theme 2024: Radio: A century informing, entertaining and educating

Explanation

World Day of Social Justice is observed on 20 February.

Theme 2023: Overcoming Barriers and Unleashing Opportunities for Social Justice

Explanation

World No Tobacco Day is observed on 31 May every year.

Theme for 2022 is Tobacco:A threat to our environment 

Theme 2023: We want food, not tobacco 

Theme 2024: Protecting children from tobacco industry interference 

Explanation

World Heritage Day is observed on 18 April. 

Theme 2022: Heritage and Climate

Theme 2023: Heritage Changes