Explanation

WTISD: an international day proclaimed in 2006 by the International Telecommunication Union Plenipotentiary Conference in Turkey, to be celebrated annually on 17 May.

Explanation

In the Northern Hemisphere, the autumnal equinox falls about September 22 or 23

Explanation

Bastille Day is celebrated on 14 July each year.

It is the common name given in English-speaking countries to the national day of France

In French, it is formally called the Fête nationale française; legally, it is known as le 14 juillet

Celebrations: Military parades, fireworks, concerts, balls

Explanation

The International Day of Light is celebrated each year on May 16.

The annual celebration is organized by UNESCO.

Explanation

English Language Day: April 23 (annually)

The United Nations celebrates English Language Day because it is the date William Shakespeare.

Explanation

World Malaria Day is observed on 25 April.

Theme 2022: Use Innovation to reduce the burden of malaria disease and save lives

Theme 2023: Time to Deliver Zero Malaria: Invest, Innovate, Implement

Explanation

World Malaria Day is observed on 25 April.

عالمی یوم ملیریا 25 اپریل کو منایاجاتا ہے

Explanation

World Creativity and Innovation Day is celebrated to mark to raise the awareness of the role of creativity and innovation in all aspects of human development.

Observed on 21 April 

Explanation

Bastille Day is the common name given in English-speaking countries to the national day of France

Bastille Day is celebrated on 14 July each year.

In French, it is formally called the Fête nationale française; legally it is known as le 14 juillet

Celebrations: Military parades, fireworks, concerts, balls

Explanation

The earth revolves round the sun and rotates round its own axis. The rotation of the earth causes day and night.