the Dutch Palace Revolution of 1787 and it's copy, the French Revolutionairy act of 1789.
These are not constitutions.
Polish constitution was the first modern constitution in Europe and second in the World
(after the US constitution of 1787
, not 1776).
The Constitution of May 3, 1791 (Polish: Konstytucja Trzeciego Maja; Lithuanian: Gegužės treèiosios konstitucija) is generally regarded as Europe's first and the world's second modern codified national constitution, following the 1788 ratification of the United States Constitution