This was the first battle between the Federation and the Dominion. The Federation was victorious but failed to invade Cardassian space.
Even though they were successful in taking back Deep Space Nine, they lost ground to Cardassa and Batazoid fell to the Jem Hadar.
This was a combined Klingon and Starfleet Defence Force. They fought both the Jem Hadar and the Cardassians within the Bajorean Sector. They had to recapture Deep Space Nine which the Dominion operated. Fourteen Starfleet ships survived out of 112, before the Klingons got involved.
These were a pivotal event in the early 21st century. In 2020, the US government dealt with homelessness and unemployment, creating sanctuary district in major cities. This resulted in major destruction and governmental chaos.
This was a two year conflict between The Dominion, The Federation, The Cardassian and The Klingons. It lasted from late 2373 to the late 2375. It consumed the entire Alpha Quadrant. The major losses were from The Federation, Cardassian and The Klingons Empires.
When the first contact with the Federation, it officially became a Cold War. Changeling infiltraters posed in important positions within major government powers. The Dominion was able to wipe out governments from the inside, which forced some to fight alongside them.
This was a confrontation between the Borg an Federation. A Borg Cube attempted to assimulated Earth. The battle had some drastic human losses. The fleet managed to destroy the cube with Picards help.
