When did post impressionism end?

Post-Impressionism (also spelled Postimpressionism) was a predominantly French art movement that developed roughly between 1886 and 1905, from the last Impressionist exhibition to the birth of Fauvism.

When did Impressionism era end?

1886

The Eighth and Final Impressionist Exhibition ended in 1886, closing the chapter on the Impressionists’ period of collaboration and collective identity. With the ending of the independent exhibitions, the Impressionists began to leave the city more frequently in search of rural subjects.