noun
memory, reminder
B1
Erinnerung (die): means memory (a recollection) and reminder (a note or prompt). Feminine noun with plural Erinnerungen. Declensions follow regular feminine patterns: die Erinnerung (Nom. sg), die Erinnerungen (Nom./Acc. pl). Used for personal memories and for alerts or reminders in calendars.
Examples
Stell dir eine Erinnerung in deinem Kalender, damit du den Termin nicht vergisst.
Put a reminder in your calendar so you don't forget the appointment.
Die Erinnerung an den Urlaub macht mich glücklich.
The memory of the holiday makes me happy.
Ich habe viele schöne Erinnerungen an meine Kindheit.
I have many beautiful memories of my childhood.
Details
Mnemonics
Picture a Polaroid photo that triggers a memory
sounds like 're-min-der' — a reminder that brings something back
die Erinnerung — imagine a woman holding a photo (die) to remember
Notes
Erinnerung is feminine. Can mean a personal recollection ('memory') or a prompt to remember ('reminder'). Plural often used: Erinnerungen.