Historical clue formulations

• One who might ask "Fair dinkum?" — 2025-12-09
• One birthed in Perth — 2024-03-10
• Dweller Down Under — 2023-05-16
• Barbie attendee — 2018-10-21
• Sydneysider, for one — 2017-02-14
• Kiwi's neighbor — 2015-01-02
• Person of Perth — 2011-06-19
• Shrimp-on-the-barbie eater — 2009-12-29
• 2000 Olympics host — 2005-11-20
• 2000 Olympics host — 2001-05-02
• Sydney native — 2000-11-14
• Bush dweller, maybe — 2000-09-23