Short answers, pulled from the story.
The Russian military invaded Kherson Oblast on the 24th of February 2022 from Russian-occupied Crimea. Ukrainian mechanized forces recaptured the Antonovskiy Bridge later that same day.
By the 15th of March, 2,357 civilians had been killed during the siege of Mariupol according to the Mariupol City Council. The Ukrainian government claimed more than 2,500 deaths following a renewed missile attack on the 14th of March.
Ukrainian troops entered the city of Kherson on the 11th of November after Russia announced the withdrawal of its troops on the 9th of November. This event marked the liberation of Kherson which was the only oblast capital captured by Russia after its 2022 invasion.
Experts assess that Russian forces purposefully blew up the Kakhovka Dam in Nova Kakhovka on the 6th of June 2023 while under their control since March 2022. The massive flooding forced combat to stop along the river for a time before Ukraine resumed incursions across the river.
The war caused disruptive damage to unique plants such as Centaurea breviceps and Centaurea Paczoskii cornflower species on the Kinburn Spit. Bombs and pollutants killed nearby dolphins according to Doug Weir, research and policy director at the UK-based Conflict and Environment Observatory.