Question: what important events happened in december?
Answer:  Dec. 1135. England's King Henry I died. ...   Dec. 1697. Sir Christopher Wren's St Paul's Cathedral is opened in London.  Dec. 1989. The Cold War ended after 52 years of superpower rivalry. ...   Dec. 1872. ...   Dec. 1905. ...   Dec. 1921. ...   Dec. 1783. ...   Dec. 1980.