Below are given some sentences out of which the sentence numbered 3 has been correctly placed. The rest of the sentences A, B, C, D, E, F need to be arranged correctly in order to form a logical order.

A. One unique feature of many online free encyclopedias is that it allows anyone to post articles on a wide range of topics.

B. Wikipedia was launched in 2001 and soon became a global project in multiple languages and served as an inspiration for many other online reference websites.

3. The idea of building an encyclopedia on the World Wide Web that would be free was first conceived of in 1994.

C. It is the world’s fifth most popular website in terms of the number of total visitors receiving over 117 million unique visitors from the United States alone in 2018.

D. The most popular free online encyclopedia is probably Wikipedia, which is a general interest encyclopedia.

E. An online encyclopedia is an encyclopedia which is accessible to viewers through the internet.

F. Online encyclopedias are also known as digital encyclopedias.