How many of your country's prime ministers have been assassinated, and when was the last attempt? What would be the global effect of a sudden large swing in you

How many of your country's prime ministers have been assassinated, and when was the last attempt? What would be the global effect of a sudden large swing in your country's policies? Johnson became president when JFK was assassinated. This was within forty years of an attempt on FDR's life--the bullet got the mayor of Chicago instead.