According to JW doctrine, Jesus was enthroned in OCTOBER 1914, AFTER what he cast out Satan from heaven, AFTER what Satan misled mankind to make war. Unfortunately, World War I already started in JULY 1914.
Besides, they foretold Armageddon for 1914, not a war. When Armageddon didn't come in 1914, they changed it to "soon after 1914" and "1915".
I think it was not before 1925 that they "found" that in 1914, 1914 was enthroned in heaven.
So, yes, they were just lucky. They foretold things for 1874, 1878, 1879, 1881, 1884, 1914 and so on ... in ONE of these years, SOMETHING happened, though something totally different that they had foretold.