HTML character map

In HTML (and XML), there are 'character entity reference' that are used to represent non-ASCII characters. E.g. the character '→' can be encoded as →, to use in a non-Unicode-compatible text format. These characters will follow the style and size of your font.
For Emoji characters like 🥁 and 😆, check the Emoji character map.

¨	uml: diaeresis (spacing diaeresis); see Germanic umlaut
«	laquo: left-pointing double angle quotation mark (left pointing guillemet)
µ	micro: micro sign greek mu
¸	cedil: cedilla (spacing cedilla)
¿	iquest: inverted question mark (turned question mark)
Æ	AElig: Latin capital letter AE (Latin capital ligature AE)
Ö	Ouml: Latin capital letter O with diaeresis
×	times: multiplication sign math
Þ	THORN: Latin capital letter THORN
ã	atilde: Latin small letter a with tilde
ä	auml: Latin small letter a with diaeresis
ë	euml: Latin small letter e with diaeresis
σ	sigma: Greek small letter sigma
’	rsquo: right single quotation mark
‡	Dagger: double dagger, double obelisk
…	hellip: horizontal ellipsis (three dot leader)
‰	permil: per mille sign
™	trade: trademark symbol
≡	equiv: identical to; sometimes used for 'equivalent to'
⊃	sup: superset of[n]

Wikipedia