Ċ Within the context of Coordinated Universal Time (UTC) it was the longest year ever, as two leap seconds were added during this 366-day year, an event which has not since been repeated. (If its start and end are defined using mean solar time [the legal time scale], its duration was 31622401.141 seconds of Terrestrial Time (or Ephemeris Time), which is slightly shorter than 1908). Events January January 1 – Kurt Waldheim becomes Secretary-General of the United Nations. January 4 - The first scientific hand-held calculator (HP-35) is introduced (price $395). January 7 – Iberia Airlines Flight 602 crashes into a 462-meter peak on the island of Ibiza; 104 are killed. January 9 – The RMS Queen Elizabeth is destroyed by fire in Hong Kong harbor. January 10 – Independence leader Sheikh Mujibur Rahman returns to Bangladesh after spending over nine months in prison in Pakistan. January 11 – Sheikh Mujibur Rahman declares a new constitutional government in Bangladesh, with himself as president. January 12 – In a 10-hour siege, a cell of 4 left-wing insurgents hold off a task force of 2500 army soldiers and police agents in Santo Domingo, Dominican Republic: eight members of the security forces and the entire insurgent cell are killed in the course of the siege. January 13 – In Ghana Prime Minister of Ghana Kofi Abrefa Busia is overthrown in a military coup by Colonel Ignatius Kutu Acheampong. January 14 – Queen Margrethe II of Denmark succeeds her father, King Frederick IX, on the throne of Denmark, the first Queen of Denmark since 1412 and the first Danish monarch not named Frederick or Christian since 1513. January 18 – Members of the Mukti Bahini lay down their arms to the government of the newly independent Bangladesh, 33 days after winning the war against the occupying Pakistan Army. January 19 – The Libertarian enclave Minerva on a platform in the South Pacific, sponsored by the Phoenix Foundation, declares independence. Soon neighboring Tonga annexes the area and dismantles the platform. January 20 – President Zulfikar Ali Bhutto announces that Pakistan will immediately begin a nuclear weapons program. January 21 A New Delhi bootlegger sells wood alcohol to a wedding party; 100 people die. Tripura, part of the former independent Twipra Kingdom, becomes a full state of India. January 24 – Japanese soldier Shoichi Yokoi is discovered in Guam; he had spent 28 years in the