OS X Mavericks
<p>October 22 -
October is 10th month. </p>
<p>
OS X Mavericks was technically the 10th OS TEN release, released on Oct. 22, 2013 - the tenth month. </p>
<p>
</p>
<p>
<img src="/7d5e7d17-b3b9-58a0-a823-3139c7789368.png"/>
</p>