- 1887: The U.S. obtained exclusive rights to use Pearl Harbor as a naval base through a treaty with the Hawaiian Kingdom.
- 1908: Construction of Pearl Harbor’s naval facilities began, turning it into a major U.S. Pacific Fleet base.
- 7 Dec 1941: Japan launched a surprise attack on Pearl Harbor, sinking or damaging battleships and killing over 2,400 Americans.
- 8 Dec 1941: The United States declared war on Japan, officially entering World War II.
- 1945: The Japanese Instrument of Surrender was signed aboard the USS Missouri, marking the end of WWII.
- 1962: The USS Arizona Memorial was dedicated, honoring the lives lost during the 1941 attack.
- 1999: The USS Bowfin Submarine Museum & Park opened to the public.
- 2006: The Pacific Aviation Museum (now Pearl Harbor Aviation Museum) opened, preserving WWII aircraft and history.
- 2010: Pearl Harbor Historic Sites officially united, offering visitors a comprehensive experience across memorials and museums.