Plessy vs Ferguson is the one I think. Research it on wiki to confirm.
The Ottoman wars in Europe were a series of military conflicts between the Ottoman Empire and various European states dating from the Late Middle Ages up through the early 20th century.
But I would tell about the main one which change the face of Europe.
1453 — fall of Constantinople that was a great start to conquer Europe.
The attackers were commanded by the Sultan Mehmed II, who defeated an army commanded by Emperor Constantine XI Palaiologos and took control of the imperial capital, ending a 53-day siege that began on 6 April 1453.
The 2 process that spread agriculture around the world are: 1.) Diffusion<span>2.)Slow colonization or migration of agricultural people (growing populations pushed them outward).
Difussion happens when a social group started to spread innovative idea among its members (such as agricultural technology)
Slow colonization happens when a social group tried to maintain activity that always been done in the past (such as gathering and agriculture)</span>
Yes, the Holocaust really happened.
There are still people who went through it and survived, alive today,
who have told their stories of it, thousands of times over.
And those who perpetrated it kept very detailed records of their own victims.