Short answers, pulled from the story.
ABC News began its life in 1932 by sourcing news from cable reports sent from London, its own bureaus across Europe, the Middle East, Greece, and the Asia-Pacific. It also relied on local newspapers to supply content for Australian stations.
General Douglas MacArthur declared that every Australian radio station could only broadcast three news bulletins per day at 7:45 a.m., midday, and 7:00 p.m. Weather forecasts were banned because officials feared they might assist enemy forces.
The news theme used from the first days of ABC television in November 1956 until 1985 was Majestic Fanfare composed by Charles Williams. An abridged performance by the Queen's Hall Light Orchestra recorded in 1943 was played during this period.
The channel officially launched at 7:30pm Australian Eastern Standard Time on the 22nd of July 2010. Preliminary broadcasting began with a promo loop in early July 2010 as the ABC renumbered ABC HD channel 20 to logical channel number 24.
Kimberly Lynton Kim Williams AM became chair of ABC News on the 7th of March 2024 with her term ending the 6th of March 2029. She succeeded Justin Stevens who assumed the role on the 31st of March 2022 after serving as interim leader.