There are no recorded events this year. See an overview of when world history happened.
The year 2406 BC was a common year starting on a Sunday, just like 2503 BC, 2492 BC, 2486 BC, 2475 BC, 2464 BC, 2458 BC, 2447 BC, 2436 BC, 2430 BC, 2419 BC in the century before it and 2402 BC, 2391 BC, 2380 BC, 2374 BC, 2363 BC, 2352 BC, 2346 BC, 2335 BC, 2324 BC, 2318 BC in the next.
The coloured days highlight
births
,
deaths
,
political
,
scientific
,
artistic
and
other
historical milestones, and recurring events such as anniversaries and
holidays
.
The new
,
waxing
,
full
and
waning
icons indicate the phases of the moon and appear only for dates in the Gregorian calendar, i.e. after 14 October 1582. The Chinese calendar is available only from 1645 to 2644, the first millenium since the last reform. The coloured columns mark the Sundays, the last day of the week per standard ISO-8601.
The normal calendar page for the current /year?2013 contains an introduction to the intriguing history of the year as we know it. The Calendar Converter has more detail. The so called Perpetual Calendar uses a trick from before the age of computers to find the weekday for any Gregorian date. Also see an overview of all historical events in the last six thousand years.