<p>This week in history we’ve got monuments, calendars, and the disastrous premiere of a popular opera, we’ve got the birthdays of astronomers and diarists and presidents, and we’ve got that time that Mexico got through three presidents in a single hour.</p><p><br></p><hr><p style='color:grey; font-size:0.75em;'> Hosted on Acast. See <a style='color:grey;' target='_blank' rel='noopener noreferrer' href='https://acast.com/privacy'>acast.com/privacy</a> for more information.</p>