King James Bible
And they went into Capernaum; and straightway on the sabbath day he entered into the synagogue, and taught.

New King James Version
Then they went into Capernaum, and immediately on the Sabbath He entered the synagogue and taught.

American Standard Version
And they go into Capernaum; and straightway on the sabbath day he entered into the synagogue and taught.

Berean Study Bible
Then Jesus and His companions went to Capernaum, and right away Jesus entered the synagogue on the Sabbath and began to teach.

Douay-Rheims Bible
And they entered into Capharnaum, and forthwith upon the sabbath days going into the synagogue, he taught them.

English Revised Version
And they go into Capernaum; and straightway on the sabbath day he entered into the synagogue and taught.

World English Bible
They went into Capernaum, and immediately on the Sabbath day he entered into the synagogue and taught.

Young's Literal Translation
And they go on to Capernaum, and immediately, on the sabbaths, having gone into the synagogue, he was teaching,

Mark 1:21 Additional Translations ...