World War 1

• how long world war 1 lasted

  1914-1918
• central powers


  germany, austria-hungary, bulgaria, ottoman empire
• triple entente

  great britain, france, russia
• triple alliance


  germany, austria-hungary, italy
• allied powers


  great britain, france, russia, italy, japan, romania, united states
• Aviation was first used for observations then planes were gradually used for bombing and air combat
• allied forces


  russia, great britain, france, italy, romania, japan, united states