Spain: La Liga - 1990-91

Spain: La Liga - 1990-91 - Earliest Hamiltonian win cycle
Real Zaragoza beat Tenerife 2-0 (A) on 28 Oct 1990
Tenerife beat Athletic Bilbao 1-0 (H) on 2 Sep 1990
Athletic Bilbao beat Atlético Madrid 2-1 (H) on 29 Sep 1990
Atlético Madrid beat Barcelona 2-1 (H) on 27 Oct 1990
Barcelona beat Espanyol 1-0 (A) on 1 Sep 1990
Espanyol beat Sevilla 4-0 (H) on 16 Sep 1990
Sevilla beat Real Betis 3-0 (A) on 30 Sep 1990
Real Betis beat Cádiz 2-1 (A) on 21 Oct 1990
Cádiz beat Real Oviedo 2-1 (H) on 23 Sep 1990
Real Oviedo beat Real Sociedad 2-1 (H) on 29 Sep 1990
Real Sociedad beat Valencia 1-0 (H) on 20 Oct 1990
Valencia beat Castellón 1-0 (H) on 15 Sep 1990
Castellón beat Osasuna 1-0 (H) on 21 Oct 1990
Osasuna beat Sporting Gijón 2-1 (H) on 30 Sep 1990
Sporting Gijón beat Real Valladolid 4-0 (H) on 9 Sep 1990
Real Valladolid beat RCD Mallorca 5-1 (H) on 14 Oct 1990
RCD Mallorca beat Logroñés 2-1 (A) on 2 Sep 1990
Logroñés beat Real Burgos 2-1 (A) on 30 Sep 1990
Real Burgos beat Real Madrid 2-1 (H) on 28 Oct 1990
Real Madrid beat Real Zaragoza 3-1 (A) on 22 Sep 1990

HWC: Thick arrows show the earliest chain of wins that passes through every team and returns to its start.