There are no recorded events this year. See an overview of when world history happened.
The year 158 BC was a common year starting on a Wednesday, just like 255 BC, 244 BC, 238 BC, 227 BC, 216 BC, 210 BC, 199 BC, 188 BC, 182 BC, 171 BC in the century before it and 154 BC, 143 BC, 132 BC, 126 BC, 115 BC, 104 BC, 98 BC, 87 BC, 76 BC, 70 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.