Please capitalize where necessary: by chance yates met r a fisher and, after applying to him for a post, he was appointed assistant statistician at rothamsted experimental station in august 1931.
A: By chance Yates met R A Fisher and, after applying to him for a post, he was appointed assistant statistician at Rothamsted Experimental Station in August 1931.

Q: where to lower castle - do not even ask - do not know it was built in the 14th century lithuanian prince lyubartom. one of the few, if not only a monument to past periods when volyn was part of the grand duchy of lithuania.

A: Where to Lower Castle - do not even ask - do not know It was built in the 14th century Lithuanian Prince Lyubartom. One of the few, if not only a monument to past periods when Volyn was part of the Grand Duchy of Lithuania.

Q: and much, much more
A: And much, much more

Problem: you can stop the movement of app icons, movie posters, and some other screen elements
Can you repeat this sentence, but capitalize it?
Answer: You can stop the movement of app icons, movie posters, and some other screen elements

Text: and he that spoke with me had a golden reed [as] a measure, that he might measure the city, and its gates, and its wall.

Correct capitalization: And he that spoke with me had a golden reed [as] a measure, that he might measure the city, and its gates, and its wall.

Problem: fertilising conifers/deciduous trees - may, spring, trees and hedges, tree and shrub care, fertilising
Can you repeat this sentence, but capitalize it?
Answer:
Fertilising conifers/deciduous trees - May, Spring, Trees And Hedges, Tree And Shrub Care, Fertilising