San Francisco International Airport (SFO) FAA Status: Advisory Due to RWY-TAXI / CONSTRUCTION, there is a Traffic Management Program in effect for traffic arriving San Francisco International Airport, San Francisco, CA (SFO). This is causing some arriving flights to be delayed an average of 47 minutes.
I'm fairly sure that I could get over a thousand wars in Europe in the last Millennia or so. So I'd say that there have probably been between 10,000 and 250,000 wars in human history. I'd expect a log distribution with very few wars with more than 100 million participants and a great many with fewer than a thousand.
1 vote Vote for this answer. According to Dyer's Compendium, there were 10,455 military actions during the Civil War. Of these actions, 29 were identified as campaigns, 76 as battles, and 310 as engagements. The other 10,000 or so were considered minor actions such as skirmishes, reconnaissances, etc. The Civil War Sites Advisory Commission (appointed by Congress and by the Secretary of the Interior) identified 384 of these actions as the principal battles and classified [them] according to their historical significance..