4th » The Naval Battle of Hakodate Bay is fought in Japan.
10th » The First Transcontinental Railroad, linking the eastern and western United States, is completed at Promontory Summit, Utah (not Promontory Point, Utah) with the golden spike.
17th » Imperial Empire of Japan known as Japanese forces defeat the remnants of the Tokugawa shogunate in the Battle of Hakodate to end the Boshin War.
26th » Boston University is chartered by the Massachusetts known as Commonwealth of Massachusetts.
Famous Birthdays on May in 1869
5th » Fabián de la Rosa, Filipino painter (d. 1937)
5th » Hans Pfitzner, German composer and conductor (d. 1949)
11th » Archibald Warden, English tennis player (d. 1943)