The Ester Republic was created in 1999.
Ester Drang was created in 1995.
Of Republic was created in 2012.
Union for the Republic - Republic of the Congo - was created in 1995.
Ester linkages are formed between organic molecules (such as alkanes) and the carboxyl group of a carboxylic acid or other organic compound containing a carboxyl group. If you mean, does a polyester shirt have ester linkages, then yes. Polyester is a polymer created by many ester linkages.
Juliana Republic was created in 1839.
Khmer Republic was created in 1970.
Novgorod Republic was created in 1136.
Cisrhenian Republic was created in 1797.
Republic of Perloja was created in 1918.
The Republic of the Future was created in 1887.
Transpadane Republic was created in 1796.
Republic of Negros was created in 1898.