1. The IRA re-emerged as the Provisional IRA, self-proclaimed successors to the freedom fighters of 19

2. The drug re-emerged in 2004 when it started being sold on the Internet as a "dietary supplement".

3. When the Allemande re-emerged in the 1760s, as a contredanse (a type of cotillon) and then a duet, this arm-hold was still much used.

4. Two-time Cy Young Award winner Tim Lincecum, sporting a significantly Bulked-up physique, re-emerged on social media at a training facility, possibly working toward a comeback