The Crimean War also saw the first tactical use of railways and other modern inventions, such as the electric telegraph, with the first "live" war reporting to The Times by William Howard Russell. Some credit Russell with prompting the resignation of the sitting British government through his reporting of the lacklustre condition of British forces deployed in Crimea. Additionally, the telegraph reduced the independence of British overseas possessions from their commanders in London due to such rapid communications. Newspaper readership informed public opinion in the United Kingdom and France as never before. It was the first European war to be photographed.

The tactical use of railways was first used during what war?