X-rays were were discovered by accident in 1895when Rontgen was working with cathode ray waves.
Answer:
The immediate cause of RMS Titanic's demise was a collision with an iceberg that caused the ocean liner to sink on April 14–15, 1912. While the ship could reportedly stay afloat if as many as 4 of its 16 compartments were breached, the impact had affected at least 5 compartments.
Johannes Gutenburg is the answer you're looking for.
The Portuguese sailors hunted and killed them for meat. Since the birds were flightless and fearless and did not make any attempts to flee, the sailors slaughtered them in large numbers.
