Timeline of key dates in US relations with #Cuba, AP Story

The Associated Press published an article on August 14, 2015 of the history of the U.S. disagreements with Cuba, through the new accords.

"THE START
Fidel Castro's rebels take power as dictator Fulgencio Batista flees Cuba on Jan 1, 1959. The United States soon recognizes the new government. But relations begin to sour as Americans criticize summary trials and executions of Batista loyalists. In 1960 Cuba nationalizes U.S.-owned oil refineries after they refuse to process Soviet oil. Nearly all other U.S. businesses are expropriated soon afterward."
..........

From WSJ Article cited below

"STARS AND STRIPES RAISED IN HAVANA

John Kerry becomes the first U.S. secretary of state to visit Cuba since 1945, flying to Havana on Aug. 14, 2015, for a ceremonial flag-raising outside the newly rechristened embassy."

together with great photos

Timeline of key dates in US relations with Cuba - AP Story

Also, see this article with photos and videos of the festivities:  WSJ Article on U.S. Flag Being Raised at Embassy in Havana Cuba