Your school observed 125th anniversary of swamiji's chicago speech - write a report on it for the local poriodical magazine.

Hello Bedo, you can start with this para...

125th anniversary of Vivekananda is celebrated heartly by every Indian, even PM Modi addressed a students' convention to mark the 125th anniversary of Swami Vivekananda's Chicago. The theme of the convention is 'Young India, New India'. 

Speech of Vivekananda is a historic address at Chicago in 1893. He came to Chicago to attend the World Parliament of Religions as a representative of Hinduism and India, where he eloquently quoted from the ‘Bhagvad Gita’. His speech astonished every American citizen as he started with "Sisters and Brothers of America". His Chicago address is a proud moment in India’s history and was claimed to be one of India’s greatest spiritual leaders on the world stage. Vivekananda strongly believed in the power of "Yuva Shakti' (youth power) and saw a vital place for youngsters in the realm of nation-building. 

Rest you can cut short from below mentioned link, as per your requirement...

http://www.india.com/news/india/125-years-of-swami-vivekanandas-chicago-address-read-full-text-of-the-historic-speech-2463083/

Gud Luck