user: What was the Tower Chowk renamed?

assistant: The tower Chowk was renamed as Rajendra Tower after the passing of the president Dr. Rajendra Prasad.

user: Tell me some important points about AICF from the given passage.

assistant: 1. India's national sports federation for the traditional game of carrom, the All India Carrom Federation (AICF), annually approves six to seven national-level competitions.
2. It serves as the International Carrom Federation's representative for India.
3. The AICF has 28 state-level affiliate institutions, 15 regional affiliate institutions, and 15 local affiliate institutions, the largest of which is the Maharashtra Carrom Association.

user: What started World War 1?

assistant: Many historians consider the assassination of Archduke Franz Ferdinand of Austria the start of World War 1. Soon after the assassination Austria declared war on Serbia. Within four weeks their allies declared war on one another.