Using the passage, summarise the key events of Jalal Talabani's career as a bullet point list

Sure, Jalal Talabani was involved in the following key events during the 1970's:

* March 1970: Talabani returned to Iraqi Kurdistan and rejoined the Kurdistan Democratic Party
* March 1975: Talabani founded the Kurdish Patriotic Union of Kurdistan (PUK)
* 1976: Talabani orchestrated an armed campaign for Kurdish independence inside Iraqi Kurdistan
* 1977: Talabani founded two PUK bases, one in Nawkhan in Iranian Kurdistan and the other in Qandil in Iraqi Kurdistan