There are no recorded events this year. See an overview of when world history happened.
The year 1686 BC was a common year starting on a Thursday, just like 1783 BC, 1772 BC, 1766 BC, 1755 BC, 1744 BC, 1738 BC, 1727 BC, 1716 BC, 1710 BC, 1699 BC in the century before it and 1682 BC, 1671 BC, 1660 BC, 1654 BC, 1643 BC, 1632 BC, 1626 BC, 1615 BC, 1604 BC, 1598 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.