Complex sentence: The Garrison Engineer Lieutenant R.N. Philip Jackson drew up a Town Plan in 1822 based on Raffles' instructions, and Raffles Place was created on the south side of the Singapore River, originally marked as Commercial Square and first developed from 1823 to 1824.
Split into simpler sentences: The Garrison Engineer Lieutenant R.N. Philip Jackson drew up a Town Plan in 1822 based on Raffles' instructions, with Raffles Place located on the south side of the Singapore River. It was originally named as Commercial Square and first developed from 1823 to 1824.