William R. Day, Assistant Secretary of State, issues an ultimatum to the Ambassador from the Kingdom of Spain to abandon its colony in Cuba.
Postscript: Three days later Spain answered with a refusal.
[added 5/22/2022] Thanks to Freedom’s Phoenix for this entry.
Subsequent Events:
References:
Chronology of Puerto Rico in the Spanish-American War – The World of 1898 The Spanish-American War (Hispanic Division, Library of Congress).mht
www.loc.gov/rr/hispanic/1898/chronpr.html