<P> During the 19th century , London was transformed into the world 's largest city and capital of the British Empire . Its population expanded from 1 million in 1800 to 6.7 million a century later . During this period , London became a global political , financial , and trading capital . In this position , it was largely unrivalled until the latter part of the century , when Paris and New York began to threaten its dominance . </P>
<P> During the 19th century , London was transformed into the world 's largest city and capital of the British Empire . Its population expanded from 1 million in 1800 to 6.7 million a century later . During this period , London became a global political , financial , and trading capital . In this position , it was largely unrivalled until the latter part of the century , when Paris and New York began to threaten its dominance . </P>
when did london 's population reach 1 million
when did london 's population reach 1 million
1800
1800