Se souvenir de, se rappeler (de) = To remember

Look at these sentences:

 

To express remembering in French, there are two main phrases you can use:

- Se souvenir de <quelque chose>  which is the slightly more sophisticated option.
Here you can never omit the de.

Note also that when de is followed by le or les, you will use the contracted forms du or des, and that de un and de une will become d'un and d'une:

 

- Se rappeler (x) <quelque chose>

Colloquially, it's perfectly correct to use se rappeler de <> as well as se rappeler <> :

ATTENTION:
In cases with stress pronouns (to remember me, you, him...), just like you'd use se souvenir de, you will use se rappeler DE <moi, toi, lui, elle, nous, vous, eux, elles> (literally "I remember of"):

Note: you can never say Tu te rappelles moi.

See also how to conjugate rappeler : Conjugate -eter and -eler verbs in Le Présent - main rule (ll / tt)