Holy, I was off by 7 years and 427km on my first guess and I don't want to play anymore because I've surely peaked
I only immigrated to the US in my adult life and I can't say I recognize Barbara Bush at a glance, so I was _also_ off by a few years and a few km on that one :( but still a lot of fun!
I have to say I got almost perfect a Holy Week celebration in Sevilla in the 1920's (I'm Spanish, so only some hundred meters away but kinda wild guess for the year and only was two years off), and pointed Mexico instead of Guatemala for another, but nailed the year (1981) for a grand total of 902 out of 1000 points.
That was fun!