Even though the Holocaust was a tragic and painful experiment people share their story to spread awareness against cruelty and pervent a historic yet horrific event like that from happening again. Hope that helps :)
The Japanese empire was territorialy expanding into China. It's longterm goal was to colonize and eradicate the ethnic Chinese. The invasion of Manchuria is what many consider the signal start of ww2
the ship hit an iceberg and over 1500 died.
Sir John Harrington invented the flushable toilet in 1596, however the idea of a toilet has existed for thousands of years in much more primitive forms.