Main features in Events Reminder include:

Visual Calendar with important events displayed in different colors
Scheduling events that occur only once (business meeting, a date, see the dentist...)
Scheduling events that happen on regular bases, for example once a month or yearly (birthday, anniversaries, taxes, rent payment...)
Scheduling events that happen on a specific day of a week (Monday, Tuesday...) and that week is at a specific place in a month (every week, first, second, last...). Examples are numerous: watching your favorite TV show on Saturday and Sunday, wake up every morning on working days in working months, buy a magazine each Wednesday...
Scheduling events that happen in regular intervals every n days with starting and ending date (replacing eye lenses every 5 days, regular check-ups at your doctor's...)
On every start of Windows operating system you are notified about upcoming events
Each event may have an alarm action, like showing multimedia popup alarm message (with text, sound, video...) or execute any program
Make a simple diary by entering all important events in your life
Various powerful reports about your events database