No, seasons are not capitalized.
Wikipedia is capitalized.
Have should be capitalized if it is the beginning of a sentence. Summer should not be capitalized.
No it shouldn't be capitalized.
No it doesn't require to be capitalized.
Yesbecause they are special events
No it shouldn't be capitalized.
Yes, "Winter Olympics" should be capitalized in a sentence as it is a proper noun referring to a specific event and is a title of an event.
Yes, "French" should be capitalized as it denotes nationality, but "missionary" should not be capitalized unless it is part of a proper noun or title. So it would be "French missionary" in most cases.
Proper nouns (e.g. names of specific countries, cities, events, or historical periods) and the pronoun "I" are typically capitalized in European culture. Adjectives derived from proper nouns (e.g. European, French) are also capitalized when referring to specific types of culture or people.
According to Kate L. Turabian, A Manual for Writers, generic terms are not capitalized in historical events, cultural terms, and designations of time. (22.1.2)So, ancient would not be capitalized.http://www.worldcat.org/oclc/70866962&referer=brief_results
No, seasons are not capitalized.
"Can" is typically not capitalized in sentences unless it is the first word or part of a proper noun.
No, keywords do not have to be capitalized.
No it's not capitalized.
No it shouldn't be capitalized.
Wikipedia is capitalized.