When the skies grew dark and thunder rolled across the valley, he was unafraid.

When a parabola is rolled along a straight line, the roulette curve traced by its focus is a catenary.

When a seven is rolled or a Knight card is played, the player may move either the robber OR the pirate.

When an action is performed, one of the character's eight attributes is added to the relevant skill, and a d10 is rolled.

When a weaver has reached the bottom of the available warp, the completed section can be rolled around the top beam, and additional lengths of warp threads can be unwound from the weights to continue.

When Richard was killed during the fighting it famously rolled under a hawthorn bush to be retrieved by Lord Stanley and placed on the head of the victorious Henry Tudor, later Henry VII of England.

When Radner wrote It's Always Something, this is the only reference she made to Murray in the entire book: " All the guys the National Lampoon group of writers and performers liked to have me around because I would laugh at them till I peed in my pants and tears rolled out of my eyes.

When the first train rolled into " Le Roy Station " in August 1867, it dropped off building supplies for the new town.

When tanks rolled into Tiananmen Square, Hu was one of the first regional leaders to declare his support for the central authorities.

When the city lost the bid for the Olympics, revitalization plans were rolled over to the Coney Island Development Corporation ( CIDC ), which came up with a plan to restore the resort.

When he came to power in 2003, President Kibaki rolled out free learning both in primary and later in secondary schools.

The Oxford English Dictionary cites an 1893 memoir by Charles Godfrey Leland, in which he says " When the Holy Spirit seized them ... the Holy Rollers ... rolled over and over on the floor.

When used as carrier pigeons in pigeon post a message is written on thin light paper and rolled into a small tube attached to the bird's leg.

When he went indoors it was in his pocket, rolled up.

When attracting a mate the male usually lets out a rolled whistle of ulululululululul and a sound similar to tu-wita-wit, tiwita-tu-wita, wita, when perching at a potential nest site.

Austin held on to the WWF Championship until SummerSlam when he lost it to Mankind in a Triple Threat match also featuring Triple H. Austin would get his rematch at No Mercy against Triple H but lost after The Rock accidentally struck him with a sledgehammer that was meant for Triple H. When Survivor Series rolled around, Triple H was still champion.

When one contestant had won nothing, Les rolled his eyes and asked her " I bet you wish you'd've stopped at home and watched Crossroads — do you want me to lend you your bus fare home?

When she saw he had bindings, she rolled out of the car, grabbed a gun from beneath the seat and fired six shots at the fleeing Davis.

When rolled up the swag is relatively lightweight and compact, making it ideal for storage and transport.

When the last Capri was made on 19 December 1986, 1, 886, 647 cars had rolled off the production lines.

When everyone has spent the coins and called on the Facts that they wish to, a die roll is then used to resolve the issue ( with the dice rolled depending on how many Facts and Coins each side has ).

When the Summer of 1996 rolled around, he would help lead the United States to its biggest international hockey win since the 1980 Winter Olympics, beating Canada in the 1996 World Cup of Hockey final series and was named to the All-Tournament Team.

When armour thickness or rolled homogeneous armour equivalency ( RHAe ) values for AFVs are provided without the slope of the armour, the figure provided generally takes into account this effect of the slope, while when the value is in the format of " x units at y degrees ", the effects of the slope are not taken into account.

When the ink is clear of debris and lumps, it is ready for the brayer which is rolled systematically across the pad to produce an even layer of ink on the roller.

When, in late afternoon on the last day in June, he saw two people top the ridge to the south and walk toward the house, he quit work immediately and strode to his rifle.

When he saw the expression in her eyes, he knew he couldn't send them on.

When they turned in the saddle they could see the men behind them, strung out on the prairie in a flat black line.

When one of the men in the hall behind us spat on the floor and scraped his boot over the gob of spittle I noticed how the clerk winced.

When they reached their neighbor's house, Pamela said a few polite words to Grace and kissed Melissa lightly on the forehead, the impulse prompted by a stray thought -- of the type to which she was frequently subject these days -- that they might never see one another again.

When Fred Powell's brother-in-law, Charlie Keane, moved into the dead man's home, the anonymous letter writer took no chances on Charlie taking up where Fred had left off and wasted no time on a first notice:

When I fell on my back, I saw a vulture hovering.

Joyce went on, `` When we'd finished, Lou -- Mr. Thor -- asked me to stay a little longer.

When we opened the door again for business and switched on the lights she said:

When he sank on his knees, they had allowed him to char without administering the stroke of mercy.

When he got closer to the tree, Matsuo noted the wild look on his face.

When her hand touched his, fire went through Jack and he felt weak, but he managed somehow to get her on her feet.

When he finally left the sinister mansion on Perdido Street, he was carried out in a coroner's basket.

When you pass a church on an Irish bus, all the hands flurry in the sign of the cross.

When he was stripped, deloused and numbered by his guards, his much-thumbed sketchbook was seized and thrown on a pile of prisoners' goods to be confiscated.

When combined with the metaphysical notion that pure forms of this universe are best appreciated when least embodied in a material substratum, it becomes clear that while earth will be dross on a scale of material-formal ratios, celestial bodies will be of a subtle, quickened, ethereal existence, in whose embodiment pure form will be the dominant component and matter will be absent or remain subsidiary.

When the family business failed, Mercer left school and on his mother's urging -- for she hoped that he would become an actor -- he joined a local little theater group.

Besides doing a single song, `` When The Sun Comes Out '', they worked on the ambitious American-Negro Suite, for voices and piano, as well as songs for films.

When I returned to make my report, the Hetman did not remember having sent me on the secret mission.

When Fred wheeled him back into his room, the big one looking out on the back porch, and put him to bed, Papa told him he was very tired but that he had enjoyed greatly the trip downtown.

When the young biologist, Dr. Ballard, began to show interest in our daughter Elizabeth, this induced a corresponding interest, on our part, in him.

When he turns briefly to literary style, in the Third Book, he again looks to the effect on the audience.