Dating Google Street View images
You may have mixed results with this, as it won’t work everywhere. It’s worked in 3 of 4 places I tried.
Step 1) Download and open up Google Earth, making sure to turn on Street View layer

Step 2) Find one of the cool-looking Street View bubbles

Step 3) Turn on the timeline view to see aerial photo dates (the clock icon)

Step 4) Double click the street view bubble to enter the panoramic photo and see the new date appear:

Looks like Google had a busy Summer in the UK last year!
This doesn’t appear to work for any images near me, the timeline dates don’t change when entering Street View at all.