original: edo consequently rapidly grew from what had been a small , virtually unknown fishing village in 1457 to a metropolis with an estimated population of 1,000,000 by 1721 , the largest city in the world at the time .
simplifications: edo quickly grew from what was a small , mostly unknown fishing village in 1457 to a huge city with an estimated population of 1 million by 1721 . at that time , it was the largest city in the world . as a result , edo quickly grew from a small , basically unknown fishing village in 1457 to a metropolis with about 1,000,000 people by 1721 , the world 's largest city at the time . edo grew from a small unknown fishing village in 1457 to the largest city in the world . by 1721 , the population was estimated to be 1,000,000.721 . a virtually unknown fishing village in 1457 , edo grew rapidly to become a metropolis of about 1,000,000 by 1721 , making it the largest city in the world at that time . as a result , edo quickly grew from what had been a small , mostly unknown fishing village in 1457 to a city with a population of about 1,000,000 by 1721 , the largest city in the world at the time . in 1457 , edo rapidly grew from an unknown fishing village to a metropolis with a population around 1,000 . edo then quickly grew from a tiny , unknown fishing village in 1457 to the largest city in the world with 1,000,000 people in 1721 . edo -lrb- as a result -rrb- quickly grew from what had been a small , almost unknown fishing village in 1457 to a big city with an estimated population of 1,000,000 by 1721 , the largest city in the world at the time .