12.30pm (AEST) – AFP Commissioner Reece Kershaw and ASIO Director-General Mike Burgess will address the National Press Club – Canberra 

Australia’s e-safety Commissioner returns to the Federal Court of NSW over takedown order of graphic content against social media platform X – Sydney

ABS Data Release – Monthly Consumer Price Index March quarter; Population by Country of Birth, 2023

North Macedonia presidential election

Beginning of World Immunization Week (until 30 April) 

International Day of Multilateralism and Diplomacy for Peace 

International Youth Solidarity Day

Stop Food Waste Day

Denim Day 

International Guide Dog Day

Birthdays for Barbra Streisand (1942) and Ash Barty (1996)

Anniversary of:

• the Armenian genocide in the Ottoman Empire (1915)
• the knighting of Winston Churchill by Queen Elizabeth II (1953)
• the launch of the Hubble space telescope into low Earth orbit (1990) 
• the Rana Plaza building collapse in Bangladesh which killed 1,134 garment workers (2013)