User:Zhouyangmin/sandbox

=Article Title (Page Title Font)= Lead paragraph. This should be right after the article title and should use "Paragraph Font"

Early Period (Sub-heading 1 Font)
This is the paragraph about the early period. It should also use the "Paragraph Font".

This sentence needs to be cited.

This sentence contains a link to other Wikipedia pages.

Middle Period (Sub-heading 1 Font)
etc.

=== Late Period (Sub-heading 1 Font) === etc.

Impact on Qingdao (Sub-heading 1 Font)
etc.

Impact on Beijing (Sub-heading 1 Font)
etc.

Impact on the United States (Sub-heading 1 Font)
etc.