Complaint Ratios: the ratio, expressed as a percentage, is the number of closed confirmed complaints divided by the number of policies the company had in force for the line of insurance and year indicated.
Thomas Edison invented the first ever light bulb in 1880. This is arguably the most important invention in the history of mankind. Britain underwent an Industrial Revolution that helped Britain's economy greatly during the Victorian Era.
The Victorian era of British history (and that of the British Empire) was the period of Queen Victoria 's reign from 20 June 1837 until her death, on 22 January 1901. great engineering feat in the Victorian Era was the sewage system in London. It was designed by Joseph Bazalgette in 1858. He proposed to build 82 mi (132 km) of sewer system linked with over 1,000 mi (1,600 km) of street sewers.