Hajj is the fifth pillar of Islam because it is the obligatory pilgrimage to Mecca that Muslims must perform once if they are physically and financially able.

Abu Sufyan — he led the Quraysh forces opposing the Muslims at the Battle of Uhud, so Abu Sufyan fits as the commander of the infidels in that battle.

Quaid-e-Azam resigned from the Indian National Congress in 1920, the year he formally left the party to pursue separate political work for Muslims.

Duplicate of Q35. Violence in Kolkata (Guha).

Direct Action Day sparked widespread violence in Kolkata (Calcutta), per historical accounts (e.g., Guha, “India After Gandhi”).

The Charter of Medina (Mithaq al-Madina), drafted in 622 CE, established civic rights, common defense, and judicial authority among Muslims and Jewish tribes in Madina.

The funeral prayer is a collective communal obligation (Fard al-Kifayah); if a group of Muslims performs it, the obligation is discharged for the entire community.

In 2006, Zalmay Khalilzad was serving as the United States Ambassador to Iraq [1, p11]. He held this position from June 2005 to April 2007. Prior to this, he had served as the U.S. Ambassador to Afghanistan.

Han Myung-sook became the first woman to serve as Prime Minister of South Korea. She held the office from April 2006 to March 2007 [1, p11]. Her appointment was a significant milestone in South Korean politics.

As of 2007, Professor Abdus Salam was the only Pakistani citizen to have received a Nobel Prize [1, p7]. He was awarded the Nobel Prize in Physics in 1979 for his work on the electroweak unification theory. Malala Yousafzai later became the second Pakistani Nobel laureate in 2014.