Rushing to the synagogue, and delaying departure from there, on special days: Megillah 23a
Saying "Eileh Moadei" before the Evening Amidah on Holidays: D.Ch. Berachot 1:5:11
In the Amidah we say "Asher Kiddeshanu BeMitzvotecha [That Sanctified Us With Your Mitzvot]" instead of "BeMitzvotav [With His Mitzvot]", as more of a "request": Pesachim 117b
Reciting a blessing "Who sanctifies Israel and Special Occasions": Eruvin 40b
Using "MiKadesh Yisrael VeHaZemanim [Who Sanctifies the Jews and the Occasions]" or "MiKadesh Yisrael" as the version of one blessing: Pesachim 117b
How we count the additional offerings in the "Musaf" prayer outside of Israel: Succah 55a
