Proclamation of historians on the invasion of Ukraine

<img width="900" height="665" src="https://pescanik.net/wp-content/uploads/2022/03/Harkov.jpg" alt="Harkov city hall" class="wp-image-99493 colorbox-99495" title="Harkov city hall, photo: Ace^eVg/Wikimedia Commons" srcset="https://pescanik.net/wp-content/uploads/2022/03/Harkov.jpg 900w, https://pescanik.net/wp-content/uploads/2022/03/Harkov-300x222.jpg 300w, https://pescanik.net/wp-content/uploads/2022/03/Harkov-768x567.jpg 768w" sizes="(max-width: 900px) 100vw,