What global event might have been responsible for changing the direction of the Pacific Plate's motion?

What global tectonic event might have been responsible for changing the direction of the Pacific Plate's motion? (What major tectonic event occurred around 40 million years ago?)What global event might have been responsible for changing the direction of the Pacific Plate's motion?Newly started, or increased rate of, subduction in western Pacific off of Japan/Kuriles/Marianas Islands.

window tint

lady gaga born this way album