Egypt, Syria and Jordan. See also:
Palestine
The US Civil War was fought against itself (brother against brother). The country of Israel fought other countries, unrelated to them.
Germany
The Triple Entente
Germany, Italy, and Japan
The Axis forces. These countries were led by Nazi Germany, but countries such as Italy, Greece, Austria, and Romania also fought against them.
Yes they did
1.Egypt2.Jordan3.Syria
Greece, Russia, and Serbia were the countries who fought against the Ottoman's.
Israel fought the Six-Day War against Egypt, Jordan, and Syria (as well as some Palestinian Arab Militant Groups).
Many countries declared war, but here are some countries that fought. America, Russia, Britain, France, Italy, and a few more.
Israel against Egypt, Syria, Iraq and more.