A new Constitution for Poland came into force on 17th October 1997 - Constitution of the Republic of Poland - for Polish constitutional history see HERE.
2004 - Poland acceded to the EU
In 2014, the EU adopted a Rule of Law Framework - see: Europa - Justice - Rule of Law and Speech by Viviane Reding 18th March 2014. The framework is discussed at Verfassungsblog 28th February 2016 - EU Law and Politics: the Rule of Law Framework
In 2015, Poland held a Presidential Election - won by Andrzej Duda - BBC 25th May 2015
In 2015, Poland held a Parliamentary election and the Law and Justice Party secured power - The Guardian 27th October 2015.
Both elections marked a significant move toward more right-wing policies.
New government made changes to the Constitutional Tribunal - Politico 24th December 2015 - Poland's Constitutional Crisis goes international
Serious concerns arose over the new government's actions especially with regard to the Constitutional Tribunal - Foreign Affairs 25th August 2016 - Poland's Constitutional Crisis - How the Law and Justice Party is Threatening Democracy
In 2016, the EU warned Poland over threats to the rule of law - EU applying Rule of Law Framework - BBC 1st June 2016
Tensions continue between Poland and the EU - Express 5th August 2017 - 'On a collision course' Poland and the EU closer to Polexit than EVER BEFORE, expert warns.
13th September 2017 - European Parliament - State of the Union Speech at Strasbourg by European Commission President Juncker
Reaction to the Speech by Nigel Farage MEP alleging that the EU has learned nothing from Brexit
Is it likely that Polexit will be hot on the tail of Brexit? Cannot be sure at the moment but tensions are clearly very high between Poland and the EU as well as between Poland and Germany.
29th September - Verfassungsblog - Marcin Matczak - President Duda is destroying the Rule of Law rather than fixing it