Anambra guber massob bim hold mega rally onitsha sept 13

It seems like you're referring to a political event in Anambra State, Nigeria. Here's a breakdown of the information:

• "Massob" likely refers to the Movement for the Actualization of the Sovereign State of Biafra (MASSOB), a separatist group that advocates for the independence of the Igbo people.
• "BIM" might be referring to the Biafra Independent Movement, another separatist group that shares similar goals with MASSOB.
• "Mega Rally" implies a large-scale gathering or protest.
• "Onitsha" is a city in Anambra State, Nigeria.
• "September 13" is the date of the event.

So, it appears that MASSOB and BIM are organizing a massive rally in Onitsha, Anambra State, on September 13, likely to push for their demands, which include the creation of a sovereign state of Biafra.