Ru, ru, or RU may refer to:
Russia (/ˈrʌʃə/; Russian: Россия, tr. Rossiya; IPA: [rɐˈsʲijə]), also officially the Russian Federation (Russian: Российская Федерация, tr.
Russian (ру́сский язы́к, russkiy yazik, pronounced [ˈruskʲɪj jɪˈzɨk]) is an East Slavic language and an official language in Russia, Belarus, Kazakhstan, Kyrgyzstan and many minor or unrecognised territories.
The Russian Empire (also known as Russia) was a state that existed from 1721 until it was overthrown by the short-lived February Revolution in 1917. One of the largest empires in world history, stretching over three continents, the Russian Empire was surpassed in landmass only by the British and Mongol empires.
Runes (Proto-Norse: ᚱᚢᚾᛟ (runo), Old Norse: rún) are the letters in a set of related alphabets known as runic alphabets, which were used to write various Germanic languages before the adoption of the Latin alphabet and for specialised purposes thereafter.
The Russian Revolution was a pair of revolutions in Russia in 1917, which dismantled the Tsarist autocracy and led to the eventual rise of the Soviet Union.
Sayyid Ruhollah Mūsavi Khomeini (Persian: سید روحالله موسوی خمینی, [ruːhoɫˈɫɑːhe χomeiˈniː], 24 September 1902 – 3 June 1989), known in the Western world as Ayatollah Khomeini, was an Iranian Shia Muslim religious leader, philosopher, revolutionary and politician.
In the game of rugby union, there are 15 players on each team, comprising eight forwards (numbered 1–8) and seven backs (numbered 9–15).
Rubik's Cube is a 3-D combination puzzle invented in 1974 by Hungarian sculptor and professor of architecture Ernő Rubik.
Rugby union, known in some parts of the world simply as rugby, is a contact team sport which originated in England in the first half of the 19th century.