1715 A Spanish treasure fleet of 10 ships under Admiral Ubilla leaves Havana, Cuba for Spain. Seven days later, 9 of them sink in a storm off the coast of Florida. A few centuries later, treasure is salvaged from these wrecks.
1898 Spanish-American War: The {{USS|Maine|ACR-1|6}} explodes and sinks in Havana harbor in Cuba, killing more than 260. This event leads the United States to declare war on Spain.
1906 The Real Academia Galega, Galician language's biggest linguistic authority, starts working in Havana.
1911 The destroyer {{USS|Terry|DD-25}} makes the first airplane rescue at sea saving the life of James McCurdy 10 miles from Havana, Cuba.
1957 Cuban student revolutionaries storm the presidential palace in Havana in a failed attempt on the life of President Fulgencio Batista.
1960 French freighter 'La Coubre' explodes in Havana, Cuba killing 100.
1972 Southern Airways Flight 49 from Birmingham, Alabama is hijacked and, at one point, is threatened with crashing into the nuclear installation at the Oak Ridge National Laboratory. After two days, the plane lands in Havana, Cuba, where the hijackers are jailed by Fidel Castro.
1989 Soviet leader Mikhail Gorbachev arrives in Havana, Cuba to meet with Fidel Castro in an attempt to mend strained relations.