Nov. 1917
U.S. Navy fills in the land between shore and the then-island of Dinner Key in Coconut Grove and establishes a Naval Air Station on the property.
Feb. 17, 1920
The County Causeway, present-day MacArthur Causeway, opens to traffic.
Nov. 27, 1921
Developer George Merrick sells the first lots in community of Coral Gables, which was originally part of the City of Miami. Greater Miami’s 1920s land boom is in full swing as eager buyers purchase, divide, and often resell property seemingly overnight. The boom ends by the fall of 1926
April 2, 1924
Pioneering Miami physician Dr. James Jackson dies; city officials rename the local hospital in his honor.
Sept. 2, 1925
Miami residents vote to annex the areas of Coconut Grove, Silver Bluff, Allapattah, Lemon City, West Little River, and Little River.
Jan. 10, 1926
A 241-foot steel-hulled schooner named Prinz Valdemar flips on its side and blocks the Miami shipping channel. Ships are unable to leave or enter the harbor for nearly a month. The unexpected closure and a subsequent hurricane in September hasten the end of Miami’s 1920s real estate boom.