from 1943 to 1945 he was a member of the applied mathematics panel of the national defense research committee. john mccleary writes in his article hassler whitney, the applied mathematics panel, and airborne weapons accuracy:

How would the previous sentence be correctly capitalized?
Answer: From 1943 to 1945 he was a member of the Applied Mathematics Panel of the National Defense Research Committee. John McCleary writes in his article Hassler Whitney, the Applied Mathematics Panel, and Airborne Weapons Accuracy:
it was hard rock that was in the '80s with its own identity.

How would the previous sentence be correctly capitalized?
Answer: It was hard rock that was in the '80s with its own identity.
during the early middle ages they used to have land divided in two parts.

How would the previous sentence be correctly capitalized?
Answer: During the early Middle Ages they used to have land divided in two parts.
in the early morning it will be rainy. before noon it will become variable with isolated rain showers. the evening offers mainly cloudy, but mostly dry weather.

How would the previous sentence be correctly capitalized?
Answer: In the early morning it will be rainy. Before noon it will become variable with isolated rain showers. The evening offers mainly cloudy, but mostly dry weather.