Explanation

The Yemeni Crisis began with the 2011–12 revolution against President Ali Abdullah Saleh, who had led Yemen for more than three decades

key events in the Yemeni Crisis:

2011 — Saleh's Resignation: 

Protests led President Ali Abdullah Saleh to resign, transferring power to Abdrabbuh Mansur Hadi.

2014 — Houthi Takeover: 

In September, Houthi rebels seized Sana'a, ousting Hadi's government.

2015 — Saudi-Led Intervention:  

A Saudi-led coalition intervened in March to support Hadi, escalating the conflict.

2017 — Saleh's Death: 

The Houthis killed former President Saleh in December after seeking to reconcile with the coalition.

2022 — UN Ceasefire: 

A UN-brokered ceasefire in April provided temporary relief, but the conflict remains unresolved.