This event is about whether humans will set foot on Mars by December 31, 2035. It considers any successful landing attempt, whether by a government space agency or a private company.
Successful Landing (Yes): If humans safely land on Mars and send proof by the end of 2035, the outcome is "Yes." No Landing (No): If no landing happens, or if attempts fail or are delayed past 2035, the outcome is "No." Confirmation: The result will be confirmed by reliable sources, like official announcements or coverage by respected space organizations and news outlets.