Since this year April 2019, China blocked Wikipedia in all languages, the Wikimedia foundation has confirmed.
Wikipedia now joins the long list of websites that are blocked in China, which already includes popular websites such as Google , Facebook and Twitter.
Internet censorship researchers discovered the block recently at the start of May 2019.
OONI (Open Observatory of Network Interference) reported on their website that China initially only blocked the Chinese language version of Wikipedia. But only recently extended the blockage to all languages versions of Wikipedia.
So far there has been no known explanation given by China on the reasons for blocking Wikipedia on all languages.