1. In 1946, a tsunami hit Hawaii on April 3, causing widespread damage and destruction. The tsunami was triggered by a massive earthquake in the Aleutian Islands, located off the coast of Alaska. The waves reached Hawaii several hours later, causing buildings and homes near the coast to be swept away.

2. The first Hawaiian-language newspaper, called Ka Lama Hawaii, was published on April 3, 1834. The newspaper was founded by Reverend William Richards and was intended to promote the use of the Hawaiian language and foster literacy among the island's residents.

3. On April 3, 1965, the first satellite communications link between Hawaii and mainland United States was established. The link, which used the Intelsat I satellite, enabled live television broadcasts to be sent between the two locations for the first time.

4. One of the largest eruptions in Hawaii's history occurred on April 3, 1823, when the Kilauea volcano erupted for several months, releasing massive amounts of lava and ash. The eruption was so powerful that it created several new vents and lava flows, and had a significant impact on the island's landscape and environment.

5. On April 3, 2013, the Hawaii State Legislature approved a bill legalizing same-sex marriage in the state. Hawaii became the 15th state in the United States to allow same-sex couples to marry, and the bill sparked a national debate about marriage equality and LGBT rights.