What to capitalize in this sentence:
in holidays: what they mean, i learned about april fools' day; it may have started because some people wanted to continue to use the outdated julian calendar.
Reminder: holidays: what they mean is underlined
In holidays: What they mean, I learned about April fools' day; it may have started because some people wanted to continue to use the outdated Julian calendar. Is the proper capitalization of the letters in this sentence.