What were the Cretans the first to build?

Fortifications in Ancient Crete (4000 B.C- 400 A.D.)

Explanation:

On June 6, 1933, eager motorists park their automobiles on the grounds of Park-In Theaters, the first-ever drive-in movie theater, located on Crescent Boulevard in Camden, New Jersey

in february 1787, congress decided that a convention should be convened to revise the articles of confederation, the nation’s first constitution. in may, 55 delegates came to philadelphia, and the constitutional convention began. debates erupted over representation in congress, over slavery, and over the new executive branch. the debates continued through four hot and muggy months. but eventually the delegates reached compromises, and on september 17, they produced the u.s. constitution, replacing the articles with the governing document that has functioned effectively for more than 200 years.