1. 1513: Spanish explorer Juan Ponce de León landed in Florida, which he named “Pascua Florida” (Feast of Flowers), believing it was an island.

2. 1625: Charles I succeeded his father James I as King of England, Scotland, and Ireland.

3. 1794: The United States Navy was established with the authorization of the U.S. Congress.

4. 1884: The first long-distance telephone call was made by Alexander Graham Bell, who spoke from New York to his assistant Thomas Watson in Boston.

5. 1915: Typhoid Mary, the first known healthy carrier of typhoid fever in the United States, was arrested in New York City and placed in quarantine.

6. 1941: The National Gallery of Art opened in Washington, D.C., United States.

7. 1964: The Good Friday Earthquake, the most powerful earthquake recorded in North American history with a magnitude of 9.2, struck south-central Alaska, resulting in significant damage and loss of life.

8. 1977: Tenerife airport disaster: Two Boeing 747 airliners collided on the runway of Los Rodeos Airport (now Tenerife North Airport) on the Spanish Canary Island of Tenerife, killing 583 people.

9. 1998: The Food and Drug Administration (FDA) approved Viagra as the first pill to treat erectile dysfunction in men.

10. 2014: The World Health Organization (WHO) declared the Ebola outbreak in West Africa to be a public health emergency of international concern.