American Emperiolism

Roosevelt Corollary

Dec 4, 1804

https://en.wikipedia.org/wiki/Roosevelt_Corollary

Explosion of the USS Maine

Feb 15, 1898

https://www.history.com/this-day-in-history/the-maine-explodes

Teller Amendment

Apr 20, 1898

Teller Amendment

Spanish American War

Jun 21, 1898

https://en.wikipedia.org/wiki/Spanish%E2%80%93American_War

Battle of San Juan Hill

Jul 1, 1898

https://en.wikipedia.org/wiki/Battle_of_San_Juan_Hill

Annexation of Hawaii

Jul 7, 1898

https://2001-2009.state.gov/r/pa/ho/time/gp/17661.htm

Annexation of the Phillipines

Dec 10, 1898

https://history.state.gov/milestones/1899-1913/war

Boxer Rebellion

Nov 2, 1899

https://www.britannica.com/event/Boxer-Rebellion

opening the panamal canal

Aug 15, 1914

https://www.history.com/this-day-in-history/panama-canal-open-to-traffic