Most types of calendars are based on religious events true or false

I think the answer is false

Explanation:

however there is many types of calenders that is based on religious

Answer + Explanation:

The historical facts involving yellow fever epidemics can unfolded to readers through fictional accounts.

This fictional account of the yellow fever epidemic helps draw readers into the historical facts of the event. For example how devastating it is to see your mother in that state. Another example is how difficult it was to live in such conditions in that time period. The last example would be the dialogue between the characters.

Topic sentences, serve as a summary of a paragraph, a focus of the paragraph. It gives the reader an idea of the author´s thought and opinion on a subject.

As seen from the sentence above:

Topic: Yellow Fever epidemic

Main idea: draw readers into the historical facts  

One of the methods used to structure a topic sentence:

Limit the topic + verb + main idea, attitude, feeling, opinion, point of view.

Side Note:

I hope this helped you in some or any way.