Benjamin Franklin invented the bifocals in 1784.
Vladimir, the great Grand Prince of Kiev was known for a) After sending out men to investigate various religions, he chose Eastern Orthodox Christianity as the state religion. He was actually pagan previously.
Answer:
It took 8 years for Muhammad to conquer Mecca
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Answer: Egged on by France above all, the 17 countries of the eurozone are planning to try to save their single currency with deeper political and economic integration. Britain thinks that in the short term some sort of deep integration is a necessary condition for saving the euro, and fears the consequences of a euro collapse. But Britain does not want to take part in that integration, will not pay for it, knows that it will be marginalised by it, cannot veto it and probably cannot extract many concessions from the process of creating it. Oh, and deep down the British government does not think it will work.