This is the Notification icon for Windows 10. Here we go. Optimized for 32x32 px, these are the simplest icons in the line style. Downloadable formats are PNG and SVG, among others. Icons8 icon pack is unique in providing a huge number of icons designed by the same team of four designers who create the new icons every working day in the same style and with the same quality. Same cool as the Bat Face, huh.
We've received the idea on November 26, 2012 and created the icons on February 24, 2013
A set of icons for viewing a calendar/schedule, appointment reminders, recurring appointment icon, "show as" icon, categorize icon, along with priority icons (high, low and private). See this screenshot for concepts: