Geographical Changes in 10000 years

Gulf that was formed 9000~ years ago by the flooding of the Strait of Hormuz.

Large African desert that was formed about 8000~ years ago from changes in the monsoon cycles.

Lake on the edge of that desert that, at that time was the largest lake in the world, about 2000 times bigger than today.

Large island that was separated from India, believed to have happened in a cyclone in 1480.

Strait that was breached to form the Black Sea 8000~ years ago, its debated on how it happened to this day.

Island in the Aral Sea in 2001~ that briefly became the second largest lake island before the drying up of the Aral sea.

Landmass that connected the Indochinese peninsula with several major islands like Borneo and Sumatra in a continental landmass about 5 times the size of modern day Indochina, entirely sunk 9500~ years ago.

Canal built in 1904 that reduces the estimated time to reach the Pacific ocean from the Atlantic by about 65%.