• 1802: Beethoven debuts Moonlight Sonata | • 1803: Start of Napoleonic Wars | • 1805: Battle of Trafalgar: Death of Nelson | • 1807: Slave trade abolished | • 1815: End of Napoleonic Wars | • 1825: 1st railway opens (Stockton - Darlington) | • 1829: Metropolitan Police founded | • 1832: Morse invents Electric Telegraph | • 1837: Queen Victoria crowned | • 1838: National Gallery founded | • 1839: Digestive biscuit invented | • 1840: Queen Victora & Prince Albert marry | • 1842: Irish "Potato Famine" starts | • 1847: British Museum founded | • 1848: Marx & Engels write Communist Manifesto | • 1851: Great Exhibition opens in Hyde Park |