Somewhere on a train platform in Utsunomiya in 1885, someone sold a traveler a rice ball wrapped in bamboo leaf, and Japan's ekiben culture was born.
Ekiben, short for eki (station) and bento (boxed meal), started about as simply as food can start. That first sale at Utsunomiya Station is generally credited as the beginning, timed to a new railway line reaching Tokyo's Ueno Station. There was no side dish, no compartment tray, just onigiri wrapped in bamboo leaves for people who didn't want to go hungry on a long ride.
It didn't stay simple for long. By 1888, Himeji Station was selling what's considered the first standard ekiben, rice paired with actual side dishes in a proper box. From there, every region along the rail network started building its own version, tied to whatever the area was known for. Toyama contributes masuzushi, pressed trout sushi. Hokkaido has ikameshi, squid stuffed with rice. Part of the fun of a long shinkansen ride is picking a box you've never tried, based on a station you've never been to.
Ekiben peaked hard in the mid 1980s. At that height, it's estimated Japan was eating around twelve million of these boxes a day, a genuine national habit rather than a niche travel snack. The industry has thinned out since then. Between 1987 and 2008, the number of ekiben makers fell by about half, as convenience stores and faster trains changed how people eat on the move.
Even so, ekiben hasn't disappeared, it's just gotten more special. Department stores hold ekiben fairs where shoppers line up for boxes flown in from stations across the country. Airports sell them to travelers who want one more taste of somewhere before they fly home.
A rice ball on a platform in 1885 turned into one of the most quietly loved food traditions in the country. Not bad for something that started because someone on a train was just hungry.