Reuters
Following are some of the major events to have occurred on May 22:
1939 - The "Pact of Steel" was signed between Hitler and Mussolini, committing Germany and Italy to support each other in time of war.
1967 - A fire at the Brussels department store "L'Innovation" killed over 320 people.
1998 - Northern Ireland's voters approved a peace agreement designed to end 30 years of Protestant-Catholic bloodshed. Almost 95 percent of voters in the Irish Republic simultaneously approved related changes to their own constitution.
2001 - France's National Assembly approved a controversial bill to give more powers to the island of Corsica, where separatists had protested against Paris for over 20 years.
2003 - The U.N. Security Council voted 14-0 to adopt a U.S.-led resolution ending sanctions on Iraq after 13 years.
2003 - Canadian speed skater Catriona Le May Doan, who set eight world records, announces her retirement.
2004 - Michael Moore wins Palme d'Or for Fahrenheit 9/11.
2004 - Manchester United won the FA Cup for a record 11th time.
2014 - Explosion in China's Urumqi City kills dozens.
2017 - Bombing kills 22 people at Ariana Grande concert in Manchester.