They were held in the colonial-era Insein prison and their executions were the first in Myanmar since the late 1980s.
Fighting has ravaged swathes of the country since last year's putsch, which sparked renewed clashes with ethnic rebels and the formation of dozens of groups now battling the junta.
Cracking down on resistance to military rule in Myanmar, junta troops have allegedly torched hundreds of buildings in several villages in the country's north last week.
The junta is trying to tempt educators still on strike to return, saying those not judged to have committed serious crimes could have their absence treated simply as "unpaid leave".
One of the main missions of the transition is "to fight against terrorism, restore the integrity of the national territory", according to the transition charter.
Military rule in Myanmar has announced that the amnesty will be placed on the nation’s Union Day.
Activists, Ko Jimmy and Maung Kyaw have been detained since their arrests, unable to comment on the allegations, and no lawyer ever emerged to comment on their behalf.
A junta court found the civilian leader guilty of illegally importing and possessing walkie-talkies and violating coronavirus restrictions.
Photos of the aftermath of the Christmas Eve massacre in eastern Mo So village fuelled outrage against the military that took power in February.
The clashes broke out between the Myanmar military and Karen National Union in the town of Lay Kay Kaw near the Thai border after junta troops entered KNU territory and arrested several dissidents.
Military troops arrested four doctors, four nurses and ten nursing aides for offering treatment to people affiliated with outlawed anti-junta groups in eastern Kayah state.
Pictures published on local media showed pillars of smoke billowing into the sky from the restive town of Thantlang in western Chin state.
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