Complex sentence: More history was made at Doncaster in 1992 when it staged the first ever Sunday meeting on a British racecourse, a crowd of 23,000 turned up despite there being no betting.
Split into simpler sentences: More history was made at Doncaster in 1992 when it staged the first ever Sunday meeting on a British racecourse. A crowd of 23,000 turned up despite there being no betting.