oneThis plural form is used for numbers like: 1
vor einer Minute
otherThis plural form is used for numbers like: everything else
vor %{count} Minuten
vor einer Minute
vor %{count} Minuten
a minute ago
%{count} minutes ago
vor einer Minute
vor %{count} Minuten
vor einer Minute
vor %{count} Minuten
a minute ago
%{count} minutes ago