7 h 55 m, 22 abr 1915 ano - Invention of chemical warfar
Descrição:
Chemical warfare is a type of warfare that include toxic chemicals and gas. It was used to weaken the battle field before a battle.
1.https://owlcation.com/humanities/The-Gruesome-Military-Tactics-of-World-War-I
2.https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRUBYPHnHaSBocR2-EXi5j31Z8x2UpV1E9_u0QnMiRKuwv88jX9
Adicionado na linha do tempo:
Data:
7 h 55 m, 22 abr 1915 ano
Agora
~ 109 years ago
Imagens: