Burmese-Thai War (ASEAN's Scenario)

Background
The Burmese-Thai War is a global war that is sparked when Myanmar invades Thailand. It started on April 21 2100 and ended on August 17 2110.

Causes
Before the war, tensions between the two countries. Thailand had been supporting rebel forces in the internal conflict in Burma. Myanmar had made some claims on Thailand's territory. Thailand puts a force of their military in their border with Myanmar. As a result, Myanmar did the same thing. This also causes neighboring countries to put tensions.

The War
On April 21 2100, Burmese troops cross their borders into Thailand. The Burmese Air Force destroys Thai defenses along the frontline. Southeast Asian countries mobilizes for war. Burmese troops reaches the Gulf of Thailand. But then, the war went wrong for Myanmar.

First, they try to capture Bangkok and head straight for the Thai-Cambodian border in a quick time, but failed due to lack of coordination. Then they try to go along the Malay Peninsula, and head for the Thai-Malaysian border but Thailand had expected the attack and put heavy defenses along the peninsula.

The war had turned into a stalemate. But then, Cambodia and Laos invaded Thailand from it's borders. Soon, Malaysia joins the war and invaded Southern Thailand.

The Malay Peninsula is captured by Myanmar and Malaysia, but Thailand manages to hold the line in the other front. Vietnam was the first country to respond by attacking Cambodia and Laos.

Thailand and Vietnam tries to capture Cambodia and Laos, but Laos is supported by Myanmar, and Thailand didn't manage well in the Cambodian front. However, Vietnam captures some parts of eastern Cambodia.

Indonesia joins the war, and invaded Malaysian Borneo. Malaysia is forced to withdraw it's troops from Southern Thailand, allowing Thailand to re-capture some parts of it, until Myanmar invaded it and re-occupied it.

Because of this, Myanmar have to spread their troops thinner. Indonesia captures Malaysian Borneo and prepares to invade Peninsular Malaysia. Philippines joins the war and declares war on Myanmar.

As the situation is getting more and more desperate for Myanmar, they ask for support from other countries. India was the first country to respond, and joins the war on the side of Myanmar.

Pakistan and China declares war on India. Indonesia captures the Andaman and Nicobar Islands from India. USA didn't know what to do.

Indonesia invades Peninsular Malaysia. Malaysia quickly surrenders. Myanmar and India sends troops along the Thai-Malaysian border to recapture Peninsular Malaysia. India invades Pakistan but is counter-attacked by China.

USA decides to join the war on the side of Thailand. Russia declares war on USA. North Korea invaded South Korea. Japan declares war on Russia. Belarus and Ukraine joins the war on the side of Myanmar. The world is shocked by the sudden changes in alliance.

Taiwan decides to declare independence and declares neutrality. PRC did not respond. Russia invades PRC. Iran declares war on Pakistan. Israel didn't respond.