Is Yeardle free to play?

Yes. Yeardle runs in a browser at no cost, with nothing to install and no purchase to make.

How often does Yeardle reset?

Once a day. Everybody gets the same puzzle, and a new one replaces it when the game's day rolls over.

On histordle.com. It declines to be embedded, so this page links you straight there instead.

It sits in History, alongside the other daily games of that kind in the catalogue.

History 5 plays

Three historical events, one year, and eight tries with higher or lower after each.

Yeardle

History

Yeardle does not allow being embedded, so it opens on its own site. Everything else — likes, favourites, your ritual — still works here.

Is Yeardle free to play?: Yes. Yeardle runs in a browser at no cost, with nothing to install and no purchase to make.
How often does Yeardle reset?: Once a day. Everybody gets the same puzzle, and a new one replaces it when the game's day rolls over.
What languages does Yeardle support?: English.
Where does Yeardle run?: On histordle.com. It declines to be embedded, so this page links you straight there instead.
What kind of game is Yeardle?: It sits in History, alongside the other daily games of that kind in the catalogue.

If you play Yeardle, the closest things to it in the catalogue are TimeGuessr, Ripple and Chronophoto. They share its contemporary, daily, english. See the full list of alternatives.