The monarch, seated next to his new Queen Suthida, has observed the "royal ploughing ceremony" symbolising Thailand's fortunes.
King Mongkut, who reigned from 1851 to his death in 1868, is seen by many historians as a reformist for his time.
Emperor Akihito was very great full to the Japanese public who accepted and supported him as a symbol.
The abdication will be marked by a brief and relatively simple ceremony in the Imperial Palace's prestigious Matsu no ma, or Hall of Pine.
The communications minister says MCMC is monitoring comments critical of the monarchy ahead of the rulers' meeting next week.
The prime minister says people cannot be faulted if they speak based on fact.
The former minister urges the authorities to stop those out to insult the royalty in the wake of the Agong's resignation.
Police say they are being investigated under the Sedition Act.
"Madam Secretary" came under fire after a character travels to Thailand and opines about the monarchy at a conference before being hauled away by police.
The relationship between the monarchy, the army and politicians is the fundamental factor determining stability in Southeast Asia's second-biggest economy.
It may be a sensitive subject, but the rulers have to move together with the direction of the country, says Deputy Youth and Sports Minister Steven Sim.
The PKR de-facto leader replies to critics who accuse him of currying favour with the royalty.
She says it shows police intimidation is still very much alive and such investigations have no place in Malaysia today.
Siswa Barisan Nasional says Fadiah Nadwa Fikri's article on Anwar Ibrahim and the Johor sultan has created unrest and stirred doubts over the royal institution.
Prominent social critic Kadir Jasin says this shows that the monarchs are well taken care of by the government and need no reassurance about their position.
23-year old pleads guilty to posting an article by a vocal opponent of the Thai monarchy on Facebook.
Just ask the Sultan of Johor.
Hannah Yeoh says this shows decisions by the speaker and assembly cannot be subjected to civil or criminal proceedings in the courts.
Tunku Zain Al-’Abidin Tuanku Muhriz of IDEAS says it's important to educate youths to understand role of Malay rulers in bringing a good name to the country overseas.
Ramkarpal Singh says current system where MPs make laws is truly reflective of a democracy.
He should keep out of politics otherwise...we'll whack him, says Nazri about Tunku Mahkota
Activist Ali Abdul Jalil seeks political asylum in Sweden in a bid to escape sedition charges in Malaysia.
Central to the current Pakatan Rakyat-Sultan crisis is the issue of citizenship and the exercise of power in a democracy.
PAS might be better off declaring it wants to get out of Pakatan and to implement its Islamist agenda in Kelantan, says Ariff Sabri.
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