The rules:
Placing a visible time card in the middle of the table, and everyone has his little bunch of events to rank "before" or "after" the event. The first player places his card, and the next player has to choose if he considers that its event happened before the two on the table, after or in between.
The beginning is quite simple, but the game is more complicated because there are cards on the board, there are more dates, and there are events in place!