On This Day: May 22nd

A gas explosion at a coal mine in Changzhi, Shanxi, leaves at least 82 people dead.

Hypothermia kills 21 runners in the 100 km (60-mile) Gansu ultramarathon disaster in China.

Pakistan International Airlines Flight 8303 crashes in Model Colony near Jinnah International Airport in Karachi, Pakistan, killing 98 people.

Twenty-two people are killed at an Ariana Grande concert in the 2017 Manchester Arena bombing.

United States President Donald Trump visits the Church of the Holy Sepulchre in Jerusalem and becomes the first sitting U.S. president to visit the Western Wall.

The Republic of Ireland becomes the first nation in the world to utilise a public referendum to legalise gay marriage.

General Prayut Chan-o-cha becomes interim leader of Thailand in a military coup d'état, following six months of political turmoil.

An explosion occurs in Ürümqi, capital of China's far-western Xinjiang region, resulting in at least 43 deaths and 91 injuries.

Fusilier Lee Rigby is murdered by two Islamic extremists in Woolwich, Southeast London.

Tokyo Skytree opens to the public. It is the tallest tower in the world (634 m), and the third tallest man-made structure on Earth after Merdeka 118 (680.5 m) and Burj Khalifa (829.8 m).