Portal:Hawaii/Selected anniversaries/April

January • February • March • April • May • June • July • August • September • October • November • December

Click on a red link below to add an anniversary. When creating a new page, it is best practice to use the existing formatting template to ensure uniformity. The syntax is as follows:

{{subst:Portal:Hawaii/Selected anniversaries/Template
 |year=year of event
 |description=description of event with links
}}

Subsequent events that took place on the same day should be added by editing the resulting page directly.

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April 1

• 1946 - A tsunami generated by the 7.8 magnitude Aleutian Island earthquake strikes Hawaiʻi, killing 159 people (primarily those located in Hilo).

April 15

• 1889 - Father Damien, a Roman Catholic priest who tended to the residents of a leper colony on Molokaʻi, dies of leprosy contracted during his service. April 15 was consequently celebrated as Father Damien Day in Hawaiʻi.

April 30

• 1900 - The Hawaiian Organic Act is signed into law, classifying Hawaiʻi as a territory of the United States.