Year 2 (II) was a common year starting on Sunday or Monday (link will display the full calendar) of the Julian calendar (the sources differ, see leap year error for further information) and a common year starting on Sunday of the Proleptic Julian calendar. At the time, it was known as the Year of the Consulship of Vinicius and Varus (or, less frequently, year 755 Ab urbe condita). The denomination 2 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

(2) is the nineteenth studio album by Australian pop singer Olivia Newton-John, released on 12 November 2002 in Australia. A duets album, the majority of tracks are with Australian artists, along with two American performers (Richard Marx and Michael McDonald). The Peter Allen and Johnny O'Keefe duets are built around archive recordings, with new vocals added by Newton-John.

2 (Two; ) is a number, numeral, and glyph. It is the natural number following 1 and preceding 3.

.2 Network (pronounced Dot-Two Network) is the name of a planned television network designed for digital television subchannels (hence the ".2") owned by Guardian Enterprise Group.

The Bhopal disaster (commonly referred to as Bhopal gas tragedy) was a gas leak incident in India, considered one of the world's worst industrial catastrophes. It occurred on the night of December 2–3, 1984 at the Union Carbide India Limited (UCIL) pesticide plant in Bhopal, Madhya Pradesh, India. A leak of methyl isocyanate  gas and other chemicals from the plant resulted in the exposure of hundreds of thousands of people. The toxic substance made its way in and around the shantytowns located near the plant. Estimates vary on the death toll. The official immediate death toll was 2,259 and the government of Madhya Pradesh has confirmed a total of 3,787 deaths related to the gas release. Others estimate 3,000 died within weeks and another 8,000 have since died from gas-related diseases. A government affidavit in 2006 stated the leak caused 558,125 injuries including 38,478 temporary partial and approximately 3,900 severely and permanently disabling injuries.

A Coxless pair is a rowing boat used in the sport of competitive rowing. It is designed for two rowers, who propel the boat with sweep oars.

RTP2 is the second television channel of Rádio e Televisão de Portugal, the Portuguese public broadcasting corporation. Commonly referred as the "Second Channel", or simply "Dois" (Portuguese for two), this historically state-run television channel started its regular broadcasting on December 25, 1968. Nowadays, RTP2 is a public service, advertising-free channel that serves as an alternative to the mainstream channel of RTP, RTP1.

In mathematics, a square number, sometimes also called a perfect square, is an integer that is the square of an integer; in other words, it is the product of some integer with itself. So, for example, 9 is a square number, since it can be written as 3 × 3.

Unicode has subscripted and superscripted versions of a number of characters including a full set of arabic numerals. These characters allow any polynomial,  chemical and certain other equations to be represented in plain text without using any form of markup like HTML or TeX.