silver plaque by boston's most famous silversmith. >> lots of jokes. hard to get a dinner reservation because everyone thinks it's a prank call. >> reporter: this day got you a front row seat to history. it was worth it. the contents will go an temporary display and will eventually be embedded back in the state house cornerstone along with a few more modern day treasures for future generations to discover. i'm mary saladna in boston. >> what would you put in a time capsule today? >> i was just going to ask you that. >> an iphone. >> we're obsessed. >> given the battery life of those things. by the time they got it. >> i'd put an extra two batteries. >> you think that would get it done. >> one of those usb chargers. works for me. >> of course, catch our updates on facebook at wnnfans.com. >> announcer: this is abc's "world news now," informing insomniacs for two decades.