Raila's message after attending Jamhuri Day celebrations
He boycotted the 2017 celebrations
The former Prime Minister, who skipped the 54th commemorations of Kenya's independence, was particularly hopeful after he reunited with his NASA counterparts.
"As a people we should pull together as we proceed with the task of building a truly united country," he urged.
Earlier, he had urged citizens to reflect on the gains of independence 55 years on.
The NASA principals remained cordial during the ceremony at Nyayo Stadium despite the growing rift among them.
Ford-Kenya party leader Moses Wetangula recently threatened to sue Mr Odinga and the Orange party over distribution of funds within the coalition.
ANC party leader Musalia Mudavadi shunned Odinga and Kalonzo as sell-outs after they both shook hands with their rivals President Kenyatta and DP William Ruto in a truce.
On Thursday, Mr Odinga and President Kenyatta will make their maiden visit to Kisumu county where they will launch a pilot of the Universal Health Care (UHC) programme.
In his address to the nation on Jamhuri Day, President Kenyatta expressed his excitement over the visit and encourage key sector players to facilitate the success of the programme.
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