1440–80’s
1440–‘80s
1440—‘80s
1960s
1960’s
one two ‘60s
‘60s

“Isn’t this fun”? — she said…
“‘Quoted’ words in a larger quote.”
‘Quoted “words” in a larger quote.’
“quoted” text and bold “quoted” text
‘quoted’ text and bold ‘quoted’ text
em-dashes (—) and ellipes (…)
“Link” — she said.

Escaped -- ndash
'Escaped' "quotes"
Escaped ellipsis...

‘Escaped "quotes" in real ones’
'“Real” quotes in escaped ones'