Men dressed in samurai warrior armour chants slogans during...

TOYOAKE, AICHI, JAPAN - 2019/06/02: Men dressed in samurai warrior armour chants slogans during the Okehazama Historical Battlefield Festival in Aichi, toyoake. In 1560, Oda Nobunaga and Imagawa Yoshimoto fought the important "Battle of Okehazama". Annually in June, the local townsfolk of Toyoake-City hold the Okehazama Historical Battlefield Festival (Okehazama Kosenjo Matsuri). Although having originally started as a Memorial Ceremony for the Dead of War, nowadays it is a popular festival with lots of entertainment and interesting attractions, such as samurai parade which anyone can participate, Samurai Battle Reenactment, and where many historical fans gather. (Photo by Takahiro Yoshida/SOPA Images/LightRocket via Getty Images)