20 Nov 1979 – Saudi Arabia: The seizure of the Grand Mosque in Saudi Arabi was an armed attack and takeover by Islamist dissidents of the Al-Masjid al-Haram in Mecca, Saudi Arabia, the holiest place in Islam. The insurgents declared that the Mahdi, or redeemer of Islam, had arrived in the form of one of the insurgent leaders, Mohammed Abdullah al-Qahtani, and called on Muslims to obey him. The incident lasted until 4 Dec 1979.
22 Nov 1979 – Pakistan: False rumours of US takeover of Grand Mosque in Mecca, Saudi Arabia, fuels Islamic militants attack on US embassy in Islamabad.
26 Nov 2008 – India: Terrorists attack several sites in Mumbai; sieges end three days later with more than 170 dean and 300 injured; surviving attacker says that LT responsible.
27 Nov 2009 – Russia: Derailment of Moscow-Saint Petersburg train kills 26 and injures 100. Investigators find elements of explosive device; no claim of responsibility.
27 Nov 2014 – United States: Thanksgiving Day in US and other parts of the world where US citizens are.
28 Oct 2002: Three suicide bombers drive a vehicle into the front of Paradise Hotel in Mombasa, killing 15 and injuring 40; al-Qaeda and other groups claim responsibility.
28 Nov 2000 – India: Sixteen killed and 25 injured in widespread terrorist incidents in Jammu and Kashmir; Hizb-ul-Mujahedin claim responsibility.
30 Nov 1967 – Yemen: Yemen Declaration of Independence from the United Kingdom.
Dates are taken from the NCTC terrorist calendar and 361 Security Significant dates.