“Under God” in the US Pledge of Allegiance

Many of you are aware, the Knights of Columbus submitted to congress that the words “Under God” should be added to USA pledge of allegiance.
Both Houses of Congress passed the law and it was signed by President Eisenhower in 1954.

Official versions
(changes in bold italics)
1892
“I pledge allegiance to my flag and the republic for which it stands: one nation indivisible with liberty and justice for all.”

1892 to 1923
“I pledge allegiance to my flag and to the republic for which it stands: one nation indivisible with liberty and justice for all.”

1923 to 1924
“I pledge allegiance to the flag of the United States and to the republic for which it stands: one nation indivisible with liberty and justice for all.”

1924 to 1954
“I pledge allegiance to the flag of the United States of America,and to the republic for which it stands; one nation indivisible with liberty and justice for all.”

1954 to Present
“I pledge allegiance to the flag of the United States of America , and to the republic for which it stands, one nation under God, indivisible, with liberty and justice for all.”