First and foremost

First

Firstly

Secondly

In conclusion

However

According to

On the other hand

Moreover, besides

In addition to

Unfortunately

Many years ago

Currently

In comparison to/compared to

Previously

Later

Anyway

Actually

On the contrary

Except for

10 years ago

In the future

Next year

Last week

In the long run

In the short run

In the wake of

In the old days

When I was young

In my opinion

Temporarily

Among other thing

On average

Of course