Bulk delete Google calendar events

google-calendar-bulk-delete.gs

function delete_events()
{
    
    // Copy and Paste this script at https://script.google.com and then run it
  
    // This script modified from code found at this Stackoverflow question and answer:
    // https://webapps.stackexchange.com/questions/19513/how-to-delete-all-events-on-many-dates-all-at-once-but-not-the-whole-calendar-in
  
    var fromDate = new Date(1995,0,1,0,0,0); 
    var toDate = new Date(2015,0,1,0,0,0);
    var calendarName = 'Put Your Google Calendar Name Here';

    // delete from Jan 1 to end of Jan 4, 2013 (for month 0 = Jan, 1 = Feb...)

    var calendar = CalendarApp.getCalendarsByName(calendarName)[0];
    var events = calendar.getEvents(fromDate, toDate);
    for(var i=0; i<events.length;i++){
      var ev = events[i];
      Logger.log(ev.getTitle()); // show event name in log
      ev.deleteEvent();
    }
 }