Indeed it seems to be the only stable period on the chart. (owlcation.com)
In contrast to the constant crustal movement seen on Earth, Venus is thought to undergo periodic episodes of plate tectonics, in which the crust is subducted rapidly within a few million years separated by stable periods of a few hundred million years. (newworldencyclopedia.org)
Chapter 2 examines the most stable period in the modern history of the Gulf area, mainly from the end of the British Protectorate to 1978. (blog.politics.ox.ac.uk)