International Day for Biological Diversity

Start of Schizophrenia Awareness Week (until 28 May)

Harvey Milk Day – US

Sherlock Holmes Day

World Goth Day

Birthdays for model Naomi Campbell (1970) and men’s world #1 tennis player Novak Djokovic (1987)

Anniversary of:
• the abolishment of the transportation of British convicts to NSW (1840)
• the founding of the non-profit news organisation Associated Press (1846)
• Abraham Lincoln becoming the only US President to receive a patent (for a device to lift a boat over shoals and obstructions) (1849)
• the first modern sighting of the Loch Ness Monster by Aldie and John Mackay, who saw “something resembling a whale” (1933)
• Ireland becoming first country in the world to legalise same-sex marriage by popular vote (2015)
• the Manchester Arena bombing, which killed 22 (2017)