The arbitron ratings, current barometer of radio rankings, launched.

U.S. Senator Hiram Fong asks Navy to cease bombing Kaho'olawe.

UH students occupy ROTC building.

UH basketball "Fabulous Five" begin 23-5 season.

Hawai'i legalizes abortion, becoming the first state to do so.

First Waikiki Roughwater Swim competition organized by Jim Cotton. A total of 36 swimmers - 32 males and four females - compete.

Harry Huffaker swims Alenuihaha Channel (between Hawai'i and Maui), a distance of 30 miles.

W.H. Hill, a major player in Hawai'i politics and business for nearly 50 years, dies.

$1,361,500,000 worth of imports arrive in Hawai'i; exports total $391,000,000.

Pacific Railroad begins carrying recreational passengers along six miles of track near Lahaina, Maui.

Stanley Powell Jr. resigns from his position as president of Alexander & Baldwin and resigns as Matson president a month later, kicking off a series of upheavals for Matson.

Pan Am begins regularly scheduled jumbo-jet (747) service to Honolulu.

Windward O'ahu residents battle developer Joseph Pao's attempts to build townhouses on the lower slopes of Olomana. The struggle continues after Pao's firm is convicted of illegally grading part of the hillsides.

Neighbor island hotel strike settled after 76 days, one of the largest hotel shutdowns in island history.

First competitive Merrie Monarch hula festival held in Hilo. Read More.

E.K. Fernandez, known as the Barnum of the Pacific, dies.

Oncology Service starts at Queen's Medical Center under the Department of Surgery.

State Health Department signs warn of dangers of swimming in Ke`ehi Lagoon and Manoa Stream after reports show high coliform bacteria counts.

Hawaiian Islanders win 98 baseball games - more than any other team this year - and lead all minor leagues in attendance with half a million fans. They win the Southern Division title of the Pacific Coast League but lose in the playoffs to Spokane.

Tora! Tora! Tora! premiers.

The Hawaiians starring Charlton Heston premiers.

First Earth Day celebrated.

Khmer Rouge guerrillas seize power in Cambodia.