Complex sentence: Benjamin Parkyn Richardson (22 July 1857-8 August 1910) was a member of the first North-West Legislative Assembly in Northwest Territories, Canada, from 20 June 1888 until 10 October 1891.
Split into simpler sentences: Benjamin Parkyn Richardson (22 July 1857-8 August 1910) was a member of the first North-West Legislative Assembly in Northwest Territories, Canada. He served the assembly from 20 June 1888 until 10 October 1891.