New Zealand

30 January 1968 – 23 September 1968

The Tet Offensive was both a major escalation and one of the largest military campaigns of the Vietnam War. The North Vietnamese People's Army of Vietnam (PAVN) and the Viet Cong (VC) launched a surprise attack on 30 and 31 January 1968 against the forces of the South Vietnamese Army of the Republic of Vietnam (ARVN), the United States Armed Forces and their allies, targeting military and civilian command and control centers throughout South Vietnam.

30 April 1975

The Vietnam War (c. 1955 – 30 April 1975) was an armed conflict in Vietnam, Laos, and Cambodia fought between North Vietnam (Democratic Republic of Vietnam) and South Vietnam (Republic of Vietnam) and their allies. North Vietnam was supported by the Soviet Union and China, while South Vietnam was supported by the United States and other anti-communist nations.

14 November 1990

The Aramoana massacre was a mass shooting that occurred on 13 November 1990 in the small seaside township of Aramoana, northeast of Dunedin, New Zealand. Resident David Gray killed 13 people, including local police Sergeant Stewart Guthrie, one of the first responders to the reports of a shooting, after a verbal dispute between Gray and his next-door neighbour.

20 March 2003 – 15 December 2011

The Iraq War (Arabic: حرب العراق, romanized: ḥarb al-ʿirāq), also referred to as the Second Gulf War (Gulf War II), was a protracted armed conflict in Iraq from 2003 to 2011. It began in March 2003 with the invasion by a United States–led coalition, which resulted in the overthrow of the Ba'athist government of Saddam Hussein.

15 July 2009

A Mw 7.8 earthquake struck a remote region of Fiordland, New Zealand, on 15 July 2009 at 21:22 local time (09:22 UTC). It had an initially–reported depth of 12 km (7.5 mi), and an epicentre near Dusky Sound in Fiordland National Park, which is 160 km (99 mi) north-west of Invercargill.

3 September 2010

The 2010 Canterbury earthquake (also known as the Darfield earthquake) struck the South Island of New Zealand with a moment magnitude of 7.1 at 4:35 am local time on 4 September, and had a maximum perceived intensity of X (Extreme) on the Mercalli intensity scale. Some damaging aftershocks followed the main event, the strongest of which was a magnitude 6.3 shock known as the Christchurch earthquake that occurred nearly six months later on 22 February 2011.

13 June 2011

The June 2011 Christchurch earthquake was a shallow magnitude 6.0 Mw earthquake that occurred on 13 June 2011 at 14:20 NZST (02:20 UTC). It was centred at a depth of 7 km (4.3 mi), about 5 km (3 mi) south-east of Christchurch, which had previously been devastated by a magnitude 6.2 MW earthquake in February 2011.

13 November 2016

The 2016 Kaikōura earthquake was a Mw 7.8 earthquake in the South Island of New Zealand that occurred two minutes after midnight on 14 November 2016 NZDT (11:02 on 13 November UTC). Ruptures occurred on multiple faults and the earthquake has been described as the "most complex earthquake ever studied".

1 December 2019

The global COVID-19 pandemic (also known as the coronavirus pandemic), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), began with an outbreak in Wuhan, China, in December 2019. It spread to other parts of Asia and then worldwide in early 2020.

5 March 2021

The 2021 Kermadec Islands earthquakes were a series of earthquakes with magnitudes of 8.1 and 7.4 that occurred at 19:28:31 UTC on 4 March 2021. The epicentres were located southeast of Raoul Island in the Kermadec Islands, part of the New Zealand outlying islands.