Kill Switch Timeline
23rd March is a national holiday in Pakistan to commemorate the Lahore Resolution of 1940. Mobile services were banned due to potential threats of terrorism in the country. 23rd March, 2012
Lahore Punjab - Mobileservices banned after potential threats of terrorism in the lahore.
Source http://tribune.com.pk/story/470468/under-the-garb-of-national-security-does-the-mobile-service-ban-infringe-upon-our-rights/
2012 Timeline