Which Istanbul landmark opened first, the Rahmi M. Koç Museum or the Endem TV Tower?
Rahmi M. Koç Museum: The Rahmi M. Koç Museum is a private industrial museum in Istanbul, Turkey dedicated to history of transport, industry and communications. Rahmi M. Koç Museum:  Rahmi M. Koç, member of the wealthiest dynasty in Turkey and retired boss of the Koç Group, founded the museum in 1991, which was opened on December 13, 1994. Endem TV Tower:  It was built between 1998 and 2002, and has a now closed revolving restaurant 154 m above ground, as well as an observation deck at 160 m .
Rahmi M. Koç Museum