World Heritage Day is celebrated every year on 18 April. The purpose of celebrating this day is to tell the importance of historical and cultural sites related to human civilization around the world. Also, people have to be made aware of their preservation. This day also appreciates those people and groups who work to preserve heritage or historical things. 

Although the names of many historical monuments from all over the world are included in the list of UNESCO’s World Heritage Site. But today we will talk about those buildings of Delhi which have been given the status of World Heritage Site by UNESCO (United Nations Educational, Scientific and Cultural Organization). Actually, Delhi is a treasure trove of historical heritage. The buildings here are not only a great example of architecture, but also present a glorious glimpse of India’s history, culture and heritage. Let’s know in detail- 

History of World Heritage Day

The conservation of buildings and natural sites was first proposed by an international organization in 1968 , which was approved by an international summit in Stockholm. The recognition for celebrating World Heritage Day came in 1983. In 1982, the International Council of Monuments and Sites celebrated World Heritage Day for the first time in Tunisia. 

What is this year’s theme?

This year in 2025, the theme of World Heritage Day is Heritage under Threat from Disasters and Conflicts. This theme means protecting these heritages from natural disasters.

Qutub Minar

Whenever Delhi is talked about, the name of Qutub Minar is taken first. It is located in Mehrauli area of ​​Delhi. It was built by Qutub-ud-din Aibak in 1193. This 73 meter high tower is made of red stone and marble. It also includes many historical monuments like Quwwat-ul-Islam Mosque and Iron Pillar. This tower has 5 thin floors.

Humayun’s Tomb

Humayun’s tomb is considered the first major example of Mughal architecture. It is made of red sandstone and white marble. It was built in 1570 by Humayun’s wife Hamida Bano Begum. This building later became the inspiration for many Mughal buildings like the Taj Mahal.

Red Fort

The Red Fort was built by Shah Jahan in 1638. It is considered a symbol of Mughal power and architecture. It is spread over an area of ​​250 acres and is famous for its massive walls.