Explanation

• Since 1980, the United Nations World Tourism Organization has celebrated World Tourism Day as international observances on September 27.
• Theme 2020: Tourism and rural development
• Theme 2021: Tourism for Inclusive Growth
• Theme 2022: Rethinking Tourism
• Theme 2023: Tourism and green investments
• Theme 2024: Tourism and Peace

Explanation

• Since 1980, the United Nations World Tourism Organization has celebrated World Tourism Day as international observances on September 27.
• Theme 2020: Tourism and rural development
• Theme 2021: Tourism for Inclusive Growth
• Theme 2022: Rethinking Tourism
• Theme 2023: Tourism and green investments
• Theme 2024: Tourism and Peace

Explanation

The International Day to Protect Education from Attack is an international observance established by a unanimous decision of the United Nations General Assembly in 2020, observed on September 9 of each year.

Explanation

• Internaut Day is celebrated on 23 August every year to mark the invention of World Wide Web.
• An 'Internaut' is a person who possesses a thorough knowledge of how to use the internet & its history.

Explanation

• World Hydrography Day is observed on June 21 every year to raise awareness about hydrography and the essential role that it plays in improved knowledge of the seas and oceans.
• Theme 2021: One hundred years of international cooperation in hydrography
• Theme 2022: Hydrography - contributing to the United Nations Ocean Decade

Explanation

• World Hydrography Day is observed on June 21 every year to raise awareness about hydrography and the essential role that it plays in improved knowledge of the seas and oceans.
• Theme 2021: One hundred years of international cooperation in hydrography
• Theme 2022: Hydrography - contributing to the United Nations Ocean Decade

Explanation

• World Hydrography Day is observed on June 21 every year to raise awareness about hydrography and the essential role that it plays in improved knowledge of the seas and oceans.
• Theme 2021: One hundred years of international cooperation in hydrography
• Theme 2022: Hydrography - contributing to the United Nations Ocean Decade

Explanation

•  'World Water Week 2022' celebrated from  23 August to 1 September.
• Theme 2022: Seeing the Unseen: The Value of Water 

Explanation

World Photography Day is an annual, worldwide celebration on 19th August of the art, craft, science and history of photography.

Explanation

World Mosquito Day, observed annually on 20 August, is a commemoration of British doctor Sir Ronald Ross's discovery in 1897 that female anopheline mosquitoes transmit malaria between humans.