Dated events associated with this case. Each event is a shared record: the same event appears identically wherever it is relevant.
· Agreement
The peace treaty with the Ottoman government provided for Kurdish local autonomy and a conditional route to independence; it never took effect.
Significance here: The first treaty text to set out a possible independent Kurdish state; it was superseded by the Treaty of Lausanne in 1923.
· Declaration
Sheikh Mahmud Barzanji declared a Kingdom of Kurdistan around Sulaimaniyah under British-administered Iraq; it was unrecognised and suppressed.
Significance here: One of the earliest attempts at a Kurdish state after the Ottoman collapse.
· Declaration
A Kurdish republic proclaimed in Soviet-occupied north-western Iran collapsed within a year after Soviet withdrawal.
Significance here: A short-lived Kurdish republic that linked Kurdish politics in Iran and Iraq.
· Referendum or popular consultation
Voters in the Kurdistan Region and some disputed areas voted on independence; Baghdad rejected the vote and the federal Supreme Court later cancelled its results.
Significance here: The most prominent recent vote on Kurdish independence.
Dates show their real precision. Approximate or uncertain dates are labelled and never converted into an exact day.