both versions include a leather headrest. the base is made of satin brushed stainless steel.

How would the previous sentence be correctly capitalized?
Answer: Both versions include a leather headrest. The base is made of satin brushed stainless steel.
each hit awards a part of the total prize to be awarded.

How would the previous sentence be correctly capitalized?
Answer: Each hit awards a part of the total prize to be awarded.
his life, however, changed markedly with the beginning of world war i in august 1914.

How would the previous sentence be correctly capitalized?
Answer: His life, however, changed markedly with the beginning of World War I in August 1914.
astronomers at the university of portsmouth, england, have created the most complete 3d map map of the universe.

How would the previous sentence be correctly capitalized?
Answer: Astronomers at the University of Portsmouth, England, have created the most complete 3D map map of the universe.