The October Revolution, officially known as the Great October Socialist Revolution under the Soviet Union, also known as the Bolshevik Revolution, was a revolution in Russia led by the Bolshevik Party of Vladimir Lenin that was instrumental in the larger Russian Revolution of 1917–1923.

 The term Industrial Revolution was first popularized by the English economic historian Arnold Toynbee  to describe Britain's economic development from 1760 to 1840.

"No taxation without representation" is a political slogan that originated in the American Revolution, and which expressed one of the primary grievances of the American colonists against Great Britain.

 Orange Revolution?

November 22, 2004

First meeting of the Constituent Assembly of Nepal took place on 28 May 2008, which ended the 240-year reign of the Shah kings and declared Nepal a republic

Kyrgyzstan had faced two revolutions during the early 21st century, including the Tulip Revolution in 2005 and the Kyrgyz Revolution of 2010.

The dissolution of the Soviet Union was the process of internal disintegration within the Union of Soviet Socialist Republics (USSR) which began in second half of the 1980s with growing unrest in the national republics and ended on 26 December 1991, when the USSR itself was voted out of existence by the Supreme Soviet, following the Belavezha Accords. Declaration number 142-Н by the Supreme Soviet resulted in self-governing independence to the Republics of the USSR, formally dissolving the USSR.

Nelson Mandela served first black president of South Africa on 10 May 1994 until 1999.

Nelson Mandela International Day celebrated: 18 July  

Nelson Mandela: imprisoned in 1962 (served 27 years in prison)

Nelson Mandela died: 5th December 2013

Ruhollah Khomeini became Iran Supreme Leader: December 1979

Iran has: theocratic system of government

Revolution in Iran: 1979

The French Revolution was a period of social and political upheaval in France and its colonies beginning in 1789 and ending in 1799.