(Click on the entries to see details, and use top left arrows and drop-down menu to switch months, or top right link to switch layout.)
UPDATE:
The calendar is, and will remain, a work in progress.
You can access it directly at bit.ly/doomsdays-html (opens in new browser window/tab).
Users of Google calendar can add it as an third-party calendar by entering the Calendar ID "caveatlector.eu_ltah6dpenkivhhvf710bveio14@group.calendar.google.com" in the text input field marked "Add a coworker's calendar" under "Other calendars" in the side menu of their calendar page on Google:
To import/add the calendar to a calendar management application (e.g., Outlook or the Lightning extension for Thunderbird), please use the following addresses:
http://www.google.com/calendar/ical/caveatlector.eu_ltah6dpenkivhhvf710bveio14%40group.calendar.google.com/public/basic.ics
(iCal format)
or
http://www.google.com/calendar/feeds/caveatlector.eu_ltah6dpenkivhhvf710bveio14%40group.calendar.google.com/public/basic
(XML format)
If you would like to embed the calendar on a page on your website or blog, please use the HTML code:
<iframe src="https://www.google.com/calendar/embed?title=Doomsdays%20Calendar%3A%20So%20you'll%20know%20each%20day%20when%20the%20world%20ended&showCalendars=0&height=600&wkst=2&bgcolor=%23FFFFFF&src=caveatlector.eu_ltah6dpenkivhhvf710bveio14%40group.calendar.google.com&color=%23182C57&ctz=Europe%2FRome" style=" border-width:0 " width="800" height="600" frameborder="0" scrolling="no"></iframe>
for an 800x600 embedded calendar, or:
<iframe src="https://www.google.com/calendar/embed?title=Doomsdays%20Calendar%3A%20So%20you'll%20know%20each%20day%20when%20the%20world%20ended&showCalendars=0&height=480&wkst=2&bgcolor=%23FFFFFF&src=caveatlector.eu_ltah6dpenkivhhvf710bveio14%40group.calendar.google.com&color=%23182C57&ctz=Europe%2FRome" style=" border-width:0 " width="640" height="480" frameborder="0" scrolling="no"></iframe>
for an 640x480 pixels calendar.