This episode explores a collection of pivotal events from May 10th throughout history. Listeners can learn about the crowning of King Carol I of Romania in 1881 , the inauguration of Nelson Mandela as South Africa's first Black president in 1994 , and the unfortunate reason Queen Elizabeth II missed the State Opening of Parliament in 2022 . The episode also highlights other notable events, such as the completion of the First Transcontinental Railroad in 1869 and the first Mother's Day celebration in 1908 .