Please note: Today is a national Bank Holiday in the UK. Our regular programming will return tomorrow. Day 550.The history of Ukraine and Russia is a subject that has come up again and again on this podcast. Good history and ‘bad’ history underpin how all of us understand the origins, reasons and justifications for the ongoing full-scale invasion. One guiding light Ukrainian historian Serhii Plokhy. Plokhy is professor of Ukrainian history and Director, Ukrainian Research Institute at Harvard university. His books, from ‘The Gates of Europe’ to the recently released Russo-Ukrainian war are essential reading for anyone seeking a deeper understanding of Ukraine and its history. David Knowles spoke to Professor Plokhy recently about Ukrainian and Russian history, parallels with the second world war and his new book.Contributors:David Knowles (Host). @djknowles22 on Twitter.Serhii Plokhy (Director, Ukrainian Research Institute at Harvard University0.Subscribe to The Telegraph: telegraph.co.uk/ukrainethelatestEmail: ukrainepod@telegraph.co.ukYou can vote for Ukraine: the Latest in the 'Listener's Choice' category of this year's British Podcast Awards: https://www.britishpodcastawards.com/votingSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.