Conversation so far:
When was the Junimea reception?
The exact date of Ion Creanga's reception is a mystery.
Who else was involved in the Junimea reception besides Ion Creanga?
Titu Maiorescu
What did Titu Maiorescu do in the Junimea reception?
Ion Creangă began attending Junimea, an upper class literary club presided upon by Titu Maiorescu.
What was Petre P. Carp's role in the Junimea reception presided by Titu Maiosrescu?
P. P. Carp was formally recognized as the political head of Junimea.

Question: How long did the reception last?
Self-contained rewrite: How long did the Junimea reception last?