The Polish military has admitted it accidentally invaded the Czech Republic last month, but it insists its brief occupation of a small part of the country was simply a "misunderstanding."
원문출처 : https://www.cnn.com/2020/06/12/europe/poland-czech-republic-invasion-scli-intl/index.html
원문출처 : https://www.cnn.com/2020/06/12/europe/poland-czech-republic-invasion-scli-intl/index.html