After nearly 20 years in power, the Conservatives can no longer keep a lid on changing British society. But the Liberals have to contend with the rise of the Labour Party.

Albert Einstein published four papers in 1905 that turned modern physics upside down and established him as the greatest scientist of the century.

A review of what lessons we can take away from the war, with an emphasis on what lessons were not learned, to the grief of many.

Russia's Second Pacific Squadron finally reaches the western Pacific, and meets a catastrophic end. US President Theodore Roosevelt brokers a peace agreement between Japan and Russia.

The Japanese fund dissenters in  Russia. A peaceful protest in St. Petersburg becomes "Bloody Sunday." Admiral Rozhdestvensky struggles against the odds to bring his fleet into the Pacific, and the Japanese win the Battle of Mukden, possibly the largest battle in world history, until this time.

Japanese forces move north and oust Kuropatkin and his armies from Liaoyang. Port Arthur falls after a six-month siege and a bloody assault on 203 Hill.

The Japanese First Army defeats the Russians at the Battle of the Yalu River and advances from Korea into Russian-occupied Manchuria. The Japanese Second Army lands on the Liaodong Peninsula and advances north, while the Japanese Third Army moves south to begin the Siege of Port Arthur. Russian commanders quarrel among themselves. The small Russian Vladivostok Squadron proves surprisingly troublesome.

Russia has 100,000 soldiers in Manchuria, and is pressuring Japan's interests in Korea. When diplomacy fails, Japan launches as surprise attack on the Russian Pacific Squadron at Port Arthur (Liushunkou).

Europe has managed to keep the peace (more or less) for some 85 years now. Remarkably, she has done that with no formal peacekeeping structure; just a willingness among the great powers to come to the negotiating table when necessary. But how long can that last?

There has not been a general war in Europe since Napoleon was defeated at Waterloo. But military technology has grown frighteningly effective. Is war now obsolete? Is it time to find other ways of resolving differences, or else perish?