Conversation so far:
When did Saparmurat Niyazov become president?
27 October 1991
What was one of the big accomplishments during Saparmurat Niyazov's presidency?
He was First Secretary of the Turkmen Communist Party from 1985 until 1991 and supported the 1991 Soviet coup d'état attempt.
What laws did Niyazov change while president?
Niyazov banned the use of lip syncing at public concerts in 2005 as well as sound recordings

Question: What years were his presidency in?
Self-contained rewrite: What years were Saparmurat Niyazov's presidency in?